| BACKING:
The flexible supporting film fabric, foil or paper, to which a
pressure-sensitive adhesive is applied.
BACKSIDE:
The opposite side to which the adhesive is coated.
BACKSIZE:
(See - Release Coating). Sometimes applied to the backside of
the tape this is a treatment, which benefits the tape as follows:
1.
Controls the level of unwinding adhesion of the roll.
2. Increases resistance to moisture and solvents.
3. Properties such as gloss, smoothness, color.
Pick Off: On the unwind particles of the release coat
that stick to the adhesive.
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BAKE RESISTANCE:
During heat treatment of a painted part or electrical component
to which tape has been applied, resistance is measured.
BANDOLIERING:
Taping of leads of components for automatic sequencing equipment.
Can also be used with screws, rivets and any small part.
BEAMS:
Large reels on which rayon or other yarns are wound, also used
in the manufacturing of strapping tapes.
BIAXIAL-ORIENTATION:
To increase the tensile strength of films in both machine (longitudinal)
and cross-machine (transverse) directions, this is then stretched
and heat-set.
BI-DIRECTIONAL:
Cross-directional yarns are incorporated to provide increased
resistance to aid one-piece removal of tape through strapping
tapes.
BLEEDING:
Substances penetrating through tape onto surfaces to the which
the tape is applied.
BLOCKING:
Layers of tape sticking together in a roll, preventing separation
without damage, occurring under pressure or in storage.
BLOWN MASS COAT:
A small elevation on the mass coat, resembling a blister.
BOND:
Production of the adhesive caused by contact of a tape to a surface.
Commonly used to refer to thermoplastic tapes.
BOND STRENGTH:
Force required to break the joining of two pieces of material.
These forces could be applied through tension, compression, flexure,
peel or shear methods.
BOXBOARD WETTING:
Instant adhesion of a tape to a boxboard surface with little applied
pressure.
BREAKING LOAD:
The force required to break a length of tape under prescribed
conditions. This is usually measured in the lengthwise direction
of the tape (machine direction).
BUCKLING:
See - Roll Deformation
BUNDLE ROLL:
Master rolls of coated tape from which slit rolls are produced.
BURSTING STRENGTH:
The ability of a tape to resist damage when force is applied perpendicularly
to the surface of the tape.
BUTADIENE:
A chemical building block from which many types of synthetic rubber
are made. See - Styrene Butadiene.
BUTT SPLICE:
An end to end joining of tape, without overlapping. By using a
thin tape to join the tapes this splice can be made.
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