The ability of a tape to withstand rubbing and still
function satisfactorily.
A means whereby the deterioration of a tape encountered
in natural aging may be accelerated and reproduced in
the laboratory.
Exposure in a chamber to ultraviolet light, heat, and
water whereby the effect of outdoor exposure on a tape
can be approximated.
Multiple parallel score lines or folds designed to cause
a material to open like an accordion.
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.
An increase in the peel adhesion value of a pressure
sensitive tape after it has been allowed to dwell to the
applied surface.
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 that is pulled away from the tape upon removal
and remains on the surface to which it has been applied.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
The ability of a tape to resist damage when a force is
applied evenly and perpendicularly to the surface of a
tape.
Rectangular or tessellating parts in continuous form
separated by a cut to the liner across the web.
Also See MATRIX.
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.
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.
A thin transparent film manufactured from wood pulp.
Fabric with a rubber or plastic coating to provide
increased moisture resistance and longer wear.
The weight of a coating per unit area. In SI-units
expressed as grams per square meter (g/m2).
The ability of the adhesive to resist shear stress and
splitting. Good cohesion is necessary for clean tape
removal.
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.
See also, HEAT SEALING.
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.
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.
The ability of a tape to retain its original color,
particularly when exposed to light.
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.
The ability of tape to fit snugly or make essentially
complete contact with the surface of an irregular object
without creasing, folding, or flagging.
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.
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.
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.
The net increase in length after tape has been elongated
without breaking and allowed to recover.
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.
Machine that holds the die, blanks or cuts the material
into piece parts.
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.
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.
That property of a material that relates to the
constancy of its dimensions, particularly in relation to
external influences such as moisture or temperature.
An adhesive application to both sides of a backing.
The peeling back or lifting of the outer edge of an
applied tape in a curved manner.
The tendency for the edge of an adhesive label to lift
from a surface to which it has been adhered.
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.
A tendency of some tapes to attempt to return to their
original length after being elongated.
An elastic, polymeric substance, such as natural or
synthetic rubber.
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.
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.
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.
The use of a permanent or reclosable fastener to attach
components, i.e. 3M™ Dual Lock™, or Argent Wirestrap™. 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.
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 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.
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.
Openings between layers of tape within a finished roll.
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.
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.
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.
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™ acoustical
dampening Thinsulate™ product.
See also, COLD FUSING.
A term referring to the process of unwinding or
dispensing of tapes at a relatively high rate of speed,
usually over 15 meters / minute.
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.
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.
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.
The ability of a tape to resist sudden impacts, pulls,
or shocks as may sometimes be encountered by packages in
transit.
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.
The ability of tape to prevent the flow of electrical
current across its surface, usually measured on the
backing.
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.
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.
A high strength paper made of sulfate fibre pulp. An
alkaline process of pulp manufacture. Made on a
fourdrinier machine from virgin pine fibers.
The functional portion of a pressure sensitive
construction comprising the face material and adhesive,
die cut into various shapes.
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.
A joint made by lapping one material over another to
provide a mated area that can be joined with an
adhesive.
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.
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.
An area where tape has been used to attach two rolls of
material together to form one continuous web.
The face material and adhesive surrounding a
specialty-cut product, usually removed after die
cutting. Also see: BUTT-CUT PARTS.
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.
A measure of the rate of water vapor transmission
through a pressure sensitive product usually measured in
grams / square meter / 24 hours.
(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.
Usually refers to paper 'tissues' or synthetics such as
3M™ Tyvek™.
See BUZZ, SQUEAK, and RATTLE, WIND NOISE and SOUND
DAMPENING.
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.
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.
Score made by a perforated cutting rule that is relieved
at regular intervals to achieve a cut/score effect.
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.
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.
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 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.
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.
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.
A coating applied to the backing on the side opposite
the adhesive that provides ease of unwind and prevents
delamination or tearing.
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.
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.
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.
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.
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.
A smooth paper made wholly or largely of hemp fiber for
tensile strength.
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.
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.
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.
A press that in normal use features a roll-to-roll
operation.
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.
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.
Adding materials (saturant) to the backing for
improvement of physical properties and resistance to
various deleterious environments.
See ADHESIVE, PRESSURE SENSITIVE.
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.
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.
The force required to separate a bond by shear force
after immersion in a typical varnish solvent under
designated conditions.
A tape to which a pressure sensitive adhesive is applied
to only one side of the backing.
When the tape tears or breaks into small pieces, either
on unwind or on removal from a surface.
(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.
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.
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.
Thin sharpen blades used to form a 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".
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.
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.
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.
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.
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.
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.
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.
The force required to break a unit width of tape by
controlled pulling on opposite ends of the piece.
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 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.
A pressure sensitive adhesive unsupported applied to a
two-side release coated liner.
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.
The release force required to remove tape, usually
self-wound, from a roll, under prescribed conditions.
See also: RELEASE FORCE.
The weight of water transmitted through a controlled
area of tape under a specified time and conditions.
The weight of water vapor allowed through a controlled
area of tape within a specified time period and under
controlled conditions.
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.
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.
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.
Contents reproduced with the permission of the Pressure Sensitive Tape Council