Abrasion Resistance

The ability of a tape to withstand rubbing and still function satisfactorily.

Accelerated Aging

A means whereby the deterioration of a tape encountered in natural aging may be accelerated and reproduced in the laboratory.

Accelerated Weathering (Weathering)

Exposure in a chamber to ultraviolet light, heat, and water whereby the effect of outdoor exposure on a tape can be approximated.

Accordion Fold

Multiple parallel score lines or folds designed to cause a material to open like an accordion.

Acetate (Cellulose Acetate)

A transparent film that is used for various reasons in tape backings; the primary characteristic is that of being more moisture resistant than cellophane. Key characteristics include: rigidity, dimensional stability, and ink receptivity.


A synthetic polymer with excellent aging characteristics that can be used as either a single component adhesive or a coating or saturant, depending upon composition.


A bond produced between a pressure sensitive adhesive and a surface.

Adhesion Build-Up

An increase in the peel adhesion value of a pressure sensitive tape after it has been allowed to dwell to the applied surface.

Adhesion To Backing

The bond produced to the backing of the same tape or another tape backing.


Any material that will usefully hold two or more objects together solely by intimate surface contact.

Adhesive Deposit Or Residue

Adhesive that is pulled away from the tape upon removal and remains on the surface to which it has been applied.

Adhesive Promoter (Adhesive Primer)

An adhesion promoter or primer is most commonly a resin system in a solvent-based carrier. Adhesion promoter is most often used to increase the adhesion levels of low surface energy plastics such as: TPO, PP, PPO, PC, ABS and other plastic blends/alloys, for bonding with pressure sensitive adhesives.

Adhesive Transfer

The conveyance of adhesive from its normal position on the tape backing to a surface to which the tape was not previously attached, i.e. lamination, or application to substrate.

Adhesive, Permanent

An adhesive characterized by relatively high ultimate adhesion. Sometimes it can be removed when the degree of force used overcomes its bonding ability but generally it is not removable.

Adhesive, Pressure Sensitive

A type of adhesive, which in dry form is aggressively tacky at room temperature. It has the capability of promoting a bond to dissimilar surfaces on contact, with pressure.

Adhesive, Removable

An adhesive characterized by relatively high cohesive strength and low ultimate adhesion. It can be removed easily from most surfaces. Some adhesive transfer could take place depending on the affinity of the adhesive to the surface.

Aesthetic Application

Any application where visual and or tactile appeal are considerations. Typically those products in plain sight on ‘Class-A Surfaces’.


The specific adhesion of a pressure sensitive adhesive to a face material or an anchor coat.

Attachment Application

The use of a PERMANENT ADHESIVE to bond or create ADHESION between components, i.e. acrylic foam tape is widely used to bond exterior trim, molding, badging, and cladding. See also FASTENING APPLICATION.

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Back-Slit Release Liner

The term, back-slit describes a release liner which is supplied split into multiple pieces, either by the act of slitting, or by laminating multiple strips of release liner. Often used as an alternative to a release tab.


See release liner and carrier.


An occlusive coating applied to the non-pressure sensitive side of a porous backing such as paper in order to provide a satisfactory surface that the pressure sensitive adhesive side can contact when the tape is wound into a roll.


Related to strapping tapes or woven materials, in which the material consists of filaments in both the length and cross directions, i.e. strapping tapes and woven cloths.


Penetration through the tape of a coloring material (paint, etc.) onto the surface to which the tape is applied.


Adhesion between the sheets of the plies of rolls of coated material, usually due to extreme conditions of pressure, temperature, or humidity.

Bursting Strength

The ability of a tape to resist damage when a force is applied evenly and perpendicularly to the surface of a tape.

Butt Cut Parts

Rectangular or tessellating parts in continuous form separated by a cut to the liner across the web. Also see MATRIX.

Buzz, Squeak, And Rattle (Bsr Application &Amp; Noise, Vibration, Harshness, Nvh)

Are undesirable noises typically caused by vibration between mating automotive components. BSR materials may be required to perform any number of specialized functions; primarily to neutralize or minimize these noises, by creating a barrier surface with a low coefficient of friction or to function as a sound dampener/ insulator.

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The thickness (as of a sheet of paper) measured under specified conditions. See also THICKNESS.


A webstock that holds a pressure sensitive adhesive. A carrier most commonly refers to a layer of material used in the construction of double-faced or double-coated tapes. See also RELEASE LINER.

Cellophane (Regenerated Cellulose)

A thin transparent film manufactured from wood pulp.

Coated Cloth

Fabric with a rubber or plastic coating to provide increased moisture resistance and longer wear.

Coating Weight

The weight of a coating per unit area. In SI-units expressed as grams per square meter (g/m2).

Cohesion (Cohesive Strength, Internal Bond)

The ability of the adhesive to resist shear stress and splitting. Good cohesion is necessary for clean tape removal.

Cold Flow

The tendency of a pressure sensitive adhesive to act as a heavy viscous liquid over long periods of time. Such phenomena as oozing and increase in adhesion with time are the result of this characteristic.

Cold Fusing

The converting process of joining two or more thermoplastic films, with a special die and pressure. Cold fusing is similar to heat sealing, but relies on pressure alone to form a seal. This somewhat limited process provides an economical alternative to heat sealing.


Color Coding

The use of color to differentiate parts. Color-coding provides easy, intuitive product identification, speeding assembly and reducing potential for operator error. Economical color-coded release liners, for example, are commonly used to differentiate symmetrically opposite components, like driver’s side components from passenger’s side. Shape-coding can also be used to differentiate parts.

Color Stability

The ability of a tape to retain its original color, particularly when exposed to light.


The ability of tape to fit snugly or make essentially complete contact with the surface of an irregular object without creasing, folding, or flagging.


A company, such as Argent International, that fabricates one form of material into a more advanced form, i.e. a clothing manufacturer converts fabric into clothing or an envelope manufacturer converting paper into envelopes.


The process of fabricating one form of material into a more advanced form. See also: CONVERTER.

Corona Resistance

The ability of an elastomeric adhesive, coating, or sealer acting as an insulator to withstand the effects of high voltage discharge. Indications of failure appear as surface cracks.

Corona Treatment

A process that alters the surface of a material or its surface energy by exposing that material to a high voltage electrical discharge treatment. Typically used to raise the surface energy of films such as polyethylene or polypropylene to obtain better adhesion of inks, adhesives and other coatings. High-energy surfaces permit better wet-out (contact) of the coating than low energy surfaces.


The slow movement of the adhesive or backing under shear stress.


Paper that has small folds in it, giving it high stretch.


Developing a three-dimensional molecular structure in an adhesive normally activated by heat or irradiation. An improvement in shear resistance, high temperature resistance, and oil or solvent resistance will normally result.


A slight U-shaped deformation of the tape (at right angles to the length) which usually appears after unwind tension is relaxed.


To alter the properties of an adhesive by chemical reaction, which may be condensation, polymerization, or vulcanization. Usually accomplished by the action of heat and catalysts, alone or in combination, with or without pressure.




The tendency of paper by itself or in a laminate to bend or partly wrap around the axis of one of its dimensions.

Cut-Through (Full-Cut, Trim-Cut)

In die cutting, to cut through all layers of pressure sensitive material, the adhesive and backing materials. See also: KISS-CUT and MULTI-LAYER CUTTING.

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Dead Stretch

The net increase in length after tape has been elongated without breaking and allowed to recover.

Deadened Adhesive

A term that refers to temporarily or permanently neutralizing an adhesive through means of converting; typically, through lamination of an additional material. Deadened adhesive may be used to create selective patterns of functional adhesive coverage, i.e. to keep adhesive away from key surfaces or to function with automated dispensing equipment.  See also: ZONE CUT & ZONE COATED ADHESIVE.


In debossing, an image or text, such as a logo or part number, is pressed into the surface of a material using a punch or die, creating permanent depressions in the material’s surface. Also note that trim-cut punches provide a similar, yet higher contrast, ID solution.


A separation or splitting of the tape such as separation of the backing into two distinct layers, separation between laminations of a tape consisting of more than one backing, separation between filaments and backing of a filament reinforced tape, or separation of the adhesive from the backing.


Any of various knife edged cutting or trimming tools or devices such as clicker dies, high dies, steel rule dies etc. , used for cutting a desired shape into soft or semi-rigid material.


Used as the carrier for steel rule in cutting dies, usually hardwood plywood.


A piece part created through the act of die-cutting.


A person who is employed in die cutting or operates a die-cutting press.


The method of using sharp edged cutting dies to cut out shapes from a wide array of soft to semi-rigid materials. The action of making piece parts from bulk materials using cutting dies and presses.

Die-Cutting Press

Machine that holds the die, blanks or cuts the material into piece parts.

Die-Cutting Surface

Any cutting surface that a die cuts against or cuts into in the die cutting process. The die- cutting surface can be any number of surfaces such as: hardened steel or plastic.

Dielectric Strength

The measure of the maximum voltage stress that a single layer of tape can withstand before dielectric failure occurs, the test being carried out under prescribed conditions.

Dimensional Stability

That property of a material that relates to the constancy of its dimensions, particularly in relation to external influences such as moisture or temperature.


See Stain.


See Telescoping.

Double Coated

An adhesive application to both sides of a backing.

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Edge Curl

The peeling back or lifting of the outer edge of an applied tape in a curved manner.

Edge Lift

The tendency for the edge of an adhesive label to lift from a surface to which it has been adhered.

Elastic Memory

A tendency of some tapes to attempt to return to their original length after being elongated.


The extensible property of adhesive films or adhesive interfaces to contract and expand in such a manner as to overcome the differential contraction and expansion rates that the bonded adherends may exhibit.


An elastic, polymeric substance, such as natural or synthetic rubber.

Electrolytic Corrosion Factor

A measure of the tape’s corrosive effect on an electrical conductor, particularly copper. This is particularly important in the selection of tapes for electrical insulation.

Elongation (Stretch, Ultimate Elongation)

The distance a tape will stretch in the machine or cross direction before breaking under controlled conditions, expressed as a percentage of original length. Elongation is not necessarily an indication of conformability.

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Face Stock

Any paper, film, fabric, laminate, or foil material suitable for converting into pressure sensitive material stock. In the finished construction this web is bonded to the adhesive layer and becomes the functional part of the tape construction.


When a tape pulls completely from the surface to which it is applied and drops off.

Fastening Application

The use of a permanent or reclosable fastener to attach components, i.e. 3M TM Dual Lock, or Argent Wirestrap TM. See also ATTACHMENT APPLICATION.


A weakness resulting from stress created by repeated flexing or impact force upon the adhesive-adherend interface.


A jagged, irregular paint line frequently characterized by small feathers of the top-coat projecting into the masked area.


Thin, longitudinal yarns or threads of glass, polyester, nylon, or other high strength materials.


Uniform, homogeneous, nonfibrous synthetic materials.


Relatively small deformations (pock marks) in the adhesive caused by the entrapment of air between layers in the roll. They are not an indication of a quality defect.


A peeling away from the surface of the end of a length of tape, particularly in a spiral-wrap application.


A condition sometimes occurring during removal of masking tape in which flakes or particles of paint flake away from the tape backing.

Flame Resistance

The ability of a tape to withstand exposure to flame. Fireproof materials will not burn even when exposed to flame. Flame-resistant (fire-retardant, self-extinguishing) materials will burn when exposed to flame, but will not sustain the burn after the flame is removed.


The ability of a tape to be bent or flexed freely.

Flexographic Printing (Flexography)

Flexographic printing refers to web-based printing processes using a flexible printing plate. Print is achieved by creating a mirrored master of the required image as a 3D relief in a rubber or polymer material. A measured amount of ink is deposited upon the surface of the printing plate (or printing cylinder) using an anilox roll. The print surface then rotates, contacting the print material which transfers the ink.

Fluorocarbon Film

A film with very high and low temperature limits, excellent electrical characteristics and a very slippery, non-sticking surface. One example is Du Pont’s Teflon (polytetrafluorethylene).


Distortion of a roll of tape such that the layers no longer form a circle.


A soft, cushiony material formed by creating bubbles in base material such as natural or synthetic rubbers, or other elastomeric materials.


A hardening or crystallizing of the adhesive after application so that tape cannot be removed easily or cleanly.

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Openings between layers of tape within a finished roll.

Gasketing And Sealing Application

The use of a material to mechanically seal vacant spaces between components. To prevent leakage of fluids or gases, a sealant may be used, such as a PERMANENT ADHESIVE, laminated to the gasket material.


A light reflection characteristic of tape backings, usually expressed by such terms as glossy, low gloss, matte, etc.

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Heat Activated Adhesive

An adhesive film intended to be bonded using heat. Adhesive is reactivated by the application of physical or chemical changes caused by exposure to high temperatures.

Heat Resistance

The ability of a tape to withstand exposure to specified temperatures after application to a surface. Clean removal after exposure may or may not be important depending on the intended function of the tape and the type of adhesive.

Heat Sealing

The converting process of joining two or more thermoplastic films, with a special die, heat, and pressure. Heat sealing is also commonly used to cleanly fuse a synthetic fiber’s edges, such as 3M TM acoustical dampening Thinsulate TM product. See also, COLD FUSING.

High-Speed Unwind

A term referring to the process of unwinding or dispensing of tapes at a relatively high rate of speed, usually over 15 meters / minute.

Holding Power (Shear Adhesion, Shear Resistance)

The ability of a tape to resist static forces applied in the same plane as the backing. Usually expressed in a time required for a given weight and length of tape to shear free from a vertical panel.

Hole Cover (Hole Cover Application)

A self-adhesive product similar in use to a hole plug. A hole cover provides a finishing treatment for frame, drain, and access holes. Hole covers may be required to perform any number of specialized functions such as to eliminate wind noise or to provide a seal against environmental contaminants.

Hot Melt (Pressure Sensitive Adhesive)

A pressure sensitive adhesive, applied to the backing in hot liquid form, which then cools to form a conventional pressure sensitive adhesive.


The moisture content of the air. Actual humidity is the number of grams of moisture in the air at any given time. Relative humidity is the percent of moisture relative to the maximum that air at any given temperature can retain without precipitation.


A tendency of some materials to readily absorb moisture from the atmosphere.

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Impact Resistance (Shock Resistance)

The ability of a tape to resist sudden impacts, pulls, or shocks as may sometimes be encountered by packages in transit.

Inkjet Printing

A type of computer printer that operates by propelling tiny droplets of liquid ink onto a substrate. Relatively high speed, high resolution, and low-cost make inkjet printing a sound identification solution for printed part numbers, sequential numbers, text, barcodes, logos, and graphics.

Insulation Resistance

The ability of tape to prevent the flow of electrical current across its surface, usually measured on the backing.

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Kerf describes the width of material ablated (removed) by cutting processes such as, laser cutting, water jet cutting, or traditional cutting processes like sawing. This material may be removed through vaporization, chipping, or other erosive processes. Note that in specialty cutting, a wider kerf can provide a variety of benefits over traditional die-cutting methods.

Kiss Cut (Pressure Sensitive Cut)

In die cutting, to cut through only the top layer or layers of pressure sensitive material and leave the backing stock uncut. See also: cut-through and multi-layer cutting.

Kraft Paper

A high strength paper made of sulfate fibre pulp. An alkaline process of pulp manufacture. Made on a fourdrinier machine from virgin pine fibers.

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The functional portion of a pressure sensitive construction comprising the face material and adhesive, die cut into various shapes.

Label Stock

Pressure sensitive insulation. Materials furnished in roll or sheet form with liner, which can be later printed, frequently die cut, and intended for use as labels.


A web material formed by bonding two or more materials together as in a pressure-sensitive construction. To apply one layer of material over another.

Lap Joint

A joint made by lapping one material over another to provide a mated area that can be joined with an adhesive.

Latent Stain

A stain in a surface to which tape has been applied, which does not become noticeable until some time after the tape is removed, usually after the surface has been exposed to sunlight or heat.


A situation where a section of tape has pulled away from the surface to which it has been applied.

Low Surface Energy

Describes those materials which adhesive bonding may be difficult due to a lack of available electrons on its surface. Some LSE materials include: polypropylene, polyethylene, powder coated paints. Also note that some adhesives are designed specifically for use in LSE applications, as are ADHESIVE PROMOTERS.

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Material Splice

An area where tape has been used to attach two rolls of material together to form one continuous web.

Matrix (Waste Skeleton)

The face material and adhesive surrounding a specialty-cut product, usually removed after die cutting. Also see: BUTT-CUT PARTS.

Metal Foil

Thin flexible sheets of metal, such as aluminum, copper, and lead, used as tape backings because of their inherent properties such as weather resistance, electrical conductivity, reflectivity, etc.


The movement, over a long period of time, of an ingredient from one component to another when the two are in surface contact. May occur between tape components or between a tape and the surface to which it is applied. Some plastic films and foams contain plasticizers, which are apt to migrate into the tape adhesive causing the adhesive to soften.

Moisture Vapor Transmission Rate

A measure of the rate of water vapor transmission through a pressure sensitive product usually measured in grams / square meter / 24 hours.

Multi-Layer Cutting

(1) Many materials are laid up in multiple layers before die cutting. It is not uncommon to lay up many thickness of material 3 or 4 inches in height and have a die cut through all the layers in one cycle of a press. (2) In die cutting, to cut through various layers of pressure sensitive material at various depths, to leave other layers uncut. See also: kiss-cut, cut-through and multi-layer cutting.


(1) A DuPont trademark for polyester film. Used as a base for graphic image layouts. (2) In offset preparation, a polyester film made by DuPont specially suited for stripping positives because of its mechanical strength and dimensional stability. Commonly used for die "strike sheets" or "overlays." (3) An inspection tool used to perform visual pass/ fail dimensional checks during a manufacturing process.

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Noise, Vibration, Harshness: Nvh


Non-Woven Materials

Usually refers to paper 'tissues' or synthetics such as 3M TM Tyvek TM.

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An acronym for "Original Equipment Manufacturer." One who produces a component or components used in the making of a finished assembled product.


A roll of tape in which the layers are in correct alignment, but the tape is displaced sideways on the core.


A "squeezing out" of the adhesive from under the backing. Occurrence when a tape is in a roll form causes the edges of the roll to become tacky.


The ability of a tape to prevent the transmission of light.


The release of volatile components under heat or vacuum.


Applications of a clear film to a face stock for the purpose of protection or to enhance graphic quality, usually done in-line on the press.

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Pattern Coated


Peel Adhesion

The force per unit width required to break the bond between a pressure sensitive adhesive tape and the surface to which it has been applied when the tape is peeled back at a controlled angle at a standard rate and condition.


Refers to a series of small incisions made in specialty-cut products and/or their release liner to facilitate tearing, folding, tearing, glue adherence along a pre-determined line.

Perforated Score

Score made by a perforated cutting rule that is relieved at regular intervals to achieve a cut/score effect.

Permanent Adhesive

An adhesive characterized by having relatively high ultimate adhesion to a wide variety of surfaces.


The softening of an adhesive when exposed to migrating plasticizers or oils.


A strong film having good resistance to moisture, solvents, oils, etc. Usually transparent, although available with opaque and metallized finish. A clear complex ester formed by polymerization or condensation. Excellent strength, clarity and dimensional stability.

Polyester Liner

A polyester film that is silicone release coated. It provides an excellent die cutting surface and is also used on over laminating films to provide a smooth, glass-like surface of adhesive.


A tough, stretch plastic film having very good low temperature characteristics, also used a great deal for producing semi-rigid recyclable bottles.


Similar to polyethylene but stronger and having a higher temperature resistance. Various thermoplastics are polymers of propylene; excellent clarity. Also used in various thicknesses in the printing of labels as well as backing or liner materials.

Pressure Sensitive

A term commonly used to designate a distinct category of adhesive tapes and adhesives which in dry form (solvent / water free) are aggressively and permanently tacky at room temperature and that firmly adhere to a variety of dissimilar surfaces upon mere contact without the need of more than finger or hand pressure. These products require no activation by water, solvent, or heat in order to exert a strong adhesive holding force toward such materials as paper, plastic, glass, wood, cement, and metal. They have sufficient cohesive holding power and elastic nature so that, despite their aggressive tackiness, they can be handled with the fingers and removed from smooth surfaces without leaving a residue.

Pressure Sensitive Adhesive Tape

Pressure sensitive adhesive tape can be defined as a continuous flexible strip of cloth, paper, metal or plastic coated on one or both sides with a permanently tacky adhesive at room temperature which will adhere to a variety of surfaces with light pressure (finger pressure) with no phase change (liquid to solid) and usually on a roll.

Priming (Promoting)

Application of a thin layer of adhesive-like material to a backing or substrate to increase adhesion between materials. See also, ADHESIVE PROMOTER.


First in series of the development of a final product. Or a sample used to test and/or refine a design.

Pull Tab

Area on a face stock that facilitates easy removal of the label, usually a cut area on a sheeted label. Also called a peel tab or tear tab. See also STRIPPER TAB or RELEASE TAB.

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Quick Stick (Finger Tack, Initial Adhesion, Wet Grab)

see TACK.

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Release Coating 

A coating applied to the backing on the side opposite the adhesive that provides ease of unwind and prevents delamination or tearing.

Release Force (Release Value)

The measure of the force required to separate a unit width of pressure sensitive tape from a release coated surface at a controlled angle and speed.

Release Liner (Carrier, Backing, Liner)

A web of sheet material used as a protective liner, which covers the adhesive side of the tape. It is removed prior to application. Most frequently found on double- sided tapes and label stocks.

Release Tab

An extended area of release liner that facilitates easy removal of the release liner from a die-cut product. Also called: tab, peel tab, or tear tab. See also: PULL TAB.

Removable Adhesive

A pressure-sensitive adhesive characterized by low ultimate adhesion and clean removability from a wide variety of surfaces.


Repeatability is the variation in measurements taken by a single person or instrument on the same item and under the same conditions. A measurement may be said to be repeatable when this variation is smaller than some agreed limit.

Reverse Winding

A specialty wound roll product, reverse winding refers to the process of unwinding a self-wound product and rewinding it backwards so that the adhesive is exposed at the outside of the roll. See also SPECIALTY WINDING.


The converting operation of winding the webstock from the reel onto a core to produce rolls of the desired width, diameter, and tension.

Rope Stock

A smooth paper made wholly or largely of hemp fiber for tensile strength.

Rotary Die

A curved cutting die, used in a rotary die cutter. It can be constructed in several methods using curved steel rule blades more being machined by CNC or EDM methods from a solid cylinder blank. Flexible etched magnetic rotary dies are turned around a magnetic cylinder.

Rotary Die Cutter

A cutting press that cuts and scores a soft to semi-rigid material with rotating (rotary) dies. Principal benefits are speed and long die life.

Rotary Die Cutting Presses

A cutting press with two rotary cylinders. One cylinder has a cutting jacket mounted to it and acts as the die cutting surface. The other cylinder has a rotary steel rule die or full hardness rotary die attached to it. Sheet stock for folding cartons or corrugated boxes can easily be die cut on a rotary die press.

Rotary Presses

A press that in normal use features a roll-to-roll operation.

Rotary Web Press

A rotary die press which die cut parts from a continuous role of material. The roll of goods feed into the press and emerge die cut with the die cut pieces in the web of material.

Rubber Based Adhesive

Adhesives based on both natural and synthetic rubbers are well-suited to some general purpose applications. They offer high initial tack, but low environmental resistance.

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Saturation (Impregnation)

Adding materials (saturant) to the backing for improvement of physical properties and resistance to various deleterious environments.




An adhesive joint that is accomplished by coating both adherend surfaces, and bringing them under pressure; an elastomeric adhesive (cohesive) used on envelope flaps, box closures, etc, whereby the adhesive film will bond only to itself.


A roll of material with a single liner, which is coated on both sides with a release coating and a carrier having a pressure-sensitive adhesive on both sides. Also a material that has pressure-sensitive adhesive applied to one side and then rolled up on itself (no liner). See also specialty winding.

Shear Adhesion

The time required, under specified test conditions (surface area, weight load), to slide a standard area of pressure sensitive tape from a standard flat surface in a direction parallel to the surface.

Shear Strength After Solvent Immersion

The force required to separate a bond by shear force after immersion in a typical varnish solvent under designated conditions.

Single Faced

A tape to which a pressure sensitive adhesive is applied to only one side of the backing.

Slip Sheet Or Interliner



(1) To cut rolls of stock to specified widths. Either rotary or stationary knives or blades are used with either a rotating mandrel or mechanical unwinding and rewinding devices. (2) To specialty-cut a material using either rotary or stationary knives or blades. Composites may be cut-through completely or kiss-cut.


When the tape tears or breaks into small pieces, either on unwind or on removal from a surface.

Specialty Cutting

The method of using various cutting technologies to cut out shapes from a wide array of soft to semi-rigid materials. The action of making piece parts from bulk materials using various cutting technologies such as: die-cutting, laser-cutting, and water-jet cutting.

Specialty Winding

The method of using various converting technologies to produce product in a specialty roll-form for industry. See also SELF-WOUND, REVERSE WINDING, & TRAVERSE WINDING.


Any process whereby a part is cut out of a piece of material. Stamping normally refers to cutting out rigid materials such as metals using a male/female die vs. die cutting which refers to the cutting out soft to semi-rigid materials such as paper, fabric, leather, rubber and plastics using a sharp edged cutting dies cutting onto or into a cutting surface.

Steel Rule

Thin sharpen blades used to form a steel rule die.

Steel Rule Die

A cutting die that is produced by inserting sharpened pre-finished blades into jig sawed or laser cut die lines into a maple, birch or composite die board. The rule is too thin to support itself as in a clicker or forged high die. The thickness of steel rule die blades in a steel rule die are measured in points. A point equals . 014".

Stripper Tab

Similar to a release tab or pull tab. A piece of pressure sensitive film adhered to a release liner to create a release tab. Facilitates easy removal of the release liner from a die-cut product. See also: PULL TAB and RELEASE TAB.

Subsequent Adhesion

The force required to remove a unit width of pressure sensitive tape from a standard panel after it has been in contact with a release liner for a given period of time. This must be compared with the adhesion of the same tape that has not been in contact with the release liner to determine the degree of loss of adhesion.

Surface Energy (Surface Wetting Ability)

The measure of surface tension in dynes. The lower the surface energy of a substrate, the more difficult it becomes for an adhesive or coating to wet out that surface.

Surface Protection Application

The use of both PERMANENT and REMOVABLE ADHESIVE products to protect the surface of components; typically from abrasion or stone impingement. For example, a urethane film with a permanent adhesive system may be used to protect wheel flares, or a temporary film with a removable adhesive may used to provide temporary protection during shipping and manufacturing.

Surface Treating

Any method of treating a polyolefin so as to alter the surface and render it receptive to inks, paints, lacquers, and adhesives such as chemical, flame, and electronic oxidation.

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The property of a pressure sensitive adhesive that allows it to adhere to a surface under very slight pressure. It is determined by the ability of the adhesive to wet quickly the surface it contacts.

Tear Resistance

The force required to propagate a tear in a tape in a given direction after the tear has been initiated.


A sideways sliding of the tape layers, one over another, such that the roll looks like a funnel or a telescope, usually occurring over a period of time.

Tensile Strength (Breaking Strength)

The force required to break a unit width of tape by controlled pulling on opposite ends of the piece.

Thickness (Caliper, Gauge)

The perpendicular distance from one surface of either a tape, backing, or adhesive to the other, usually expressed in mils, thousandths of an inch, or millimeters. This is usually measured under controlled slight pressure with a special gauge.

Tier Supplier (Tier 1 Supplier)

Tier one suppliers are those that supply original equipment manufacturers (OEMs), or major automotive assembly firms. Tier two are those that supply to tier one, tier three supply to tier two, etc.


The tolerance is an allowable deviation from a standard. A die customer should always specify the tolerance range allowed for his or her die cuts and a die maker should always ask what tolerances are required in a die before a die is constructed. The commercial tolerance for clicker and high dies is normally W .015" or W 1/64".


Each die cutting press has a specific capacity or tonnage of pressure available on the down stroke of the head of the press. One ton equals 2000 lbs.

Transfer Tape

A pressure sensitive adhesive unsupported applied to a two-side release coated liner.

Traverse Winding (Level Winding)

A specialty wound roll product, traverse winding refers to the process of winding typically narrower product evenly about a core or spool much wider than the product, as with a garden hose caddy or dental floss. Traverse winding allows for the creation of longer rolls, reducing roll change-over time. See also SPECIALTY WINDING.

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Unwind Tension

The release force required to remove tape, usually self-wound, from a roll, under prescribed conditions. See also: RELEASE FORCE.

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Water Penetration Rate (Wpr)

The weight of water transmitted through a controlled area of tape under a specified time and conditions.

Water Vapor Transmission (Wvtr)

The weight of water vapor allowed through a controlled area of tape within a specified time period and under controlled conditions.

Wind Noise And Sound Dampening (Noise, Vibration, Harshness, Nvh)

A variety of undesirable noises may be created by wind, road, and other sources. WNSD materials may be required to perform any number of specialized functions. Primarily, sound damping materials either insulate from noise, or lower structure-borne noise levels by reducing their resonant vibrational energy.

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Zone Coated (Pattern Coated)

A term that refers to partial adhesive coverage across a tape’s release liner, carrier, or face stock, achieved during a pressure sensitive tape’s production. See also: DEADENED ADHESIVE and ZONE CUT ADHESIVE.

Zone Cut Adhesive (Zoned Adhesive)

A term that refers to partial adhesive coverage across a tape’s release liner, carrier, or face stock, achieved through the process of converting a pressure sensitive tape. See also: DEADENED ADHESIVE and ZONE CUT ADHESIVE.

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