Tapes
Glossary of Taping Terms
Vinyl Electrical Tapes
Insulating and Splicing Tapes
Sealing and Insulating Mastic Tapes
Corrosion Protection Tapes
Mining Tapes and Kits
Special Use Tapes
Packaging and Palletizing Tapes
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TAPES
In the early 1940s, vinyl plastic emerged as a highly
versatile material for a wide range of applications, from
shower curtains to cable insulation. Research chemists
and engineers at 3M set out to create a dependable,
pressure-sensitive tape made of vinyl film that would have
the required electrical, physical and chemical properties.
Finally, in January 1946, inventors Snell, Oace and
Eastwood of 3M applied for a patent for a vinyl electrical
tape. The first commercially available version of the tape
was sold for use as a wire-harness wrapping. Interestingly,
Vinyl
Tapes
Protective jacketing
Electrical insulation
Moisture sealing
ID and color-coding
Harness and bundling
Mechanical padding
Shaping
Arc proofing
Connection re-entry
X
X
X
X
X
X
X
X
X
X
X
X
X
Rubber
Tapes
Mastic & Filler
Putty Tapes
this original black tape wasn’t black at all. The first 3M tape
sold was yellow, and later versions were white. White tape,
because of its instability in ultraviolet light, was eventually
replaced with black tape, although colored vinyl tapes
are still used as identification and marking tapes. Black
became the standard industry color for vinyl tape, primarily
because of its ultraviolet resistance. 2006 marked the
60th Anniversary of Scotch Super 33+ Vinyl Electrical
Tape, and 3M has improved the tape 16 times since
its invention.
®
™
Varnish
Cambric
Arc Proofing
Tapes
X
X
Silicone
Tapes
Glass Cloth
Tapes
Mining and Jacket
Repair Tapes
X
X
X
X
X
X
X
X
X
X
X
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Taping Tips
Although challenging in its makeup and manufacture,
vinyl electrical tape is relatively straightforward in
its use. Nevertheless, to ensure the safest, most reliable
use, always:
•
Apply tape with enough stretch to conform to the objects
you’re wrapping. Be sure to let the last couple of inches
relax before tabbing it down to prevent unwinding
(sometimes called “flagging”).
•
Wrap an irregular mechanical connector, such as a split
bolt, with rubber or mastic tape to pad sharp edges,
before overwrapping it with vinyl electrical tape.
• Wrap cone-shaped (high voltage splices) “uphill” — that
is, from the smallest to the largest point. This way you
always secure the previous layer.
• Keep fingers close together when tearing tape.
The farther apart they are, the more the tape will
stretch before it tears.
•
Use the right tape for the right conditions. Vinyl tapes
are rated for cold-weather application in two classes:
32°F (0°C) and 0°F (-18°C). Tapes formulated for high-
temperature environments are typically rated 176°F
(80°C) or 220°F (105°C).
WrAPPInG TIPS
TyPe oF TAPe
Vinyl Electrical Tapes —
Jacketing and
Mechanical Protection
rubber Tapes —
Electrical Insulation,
Mechanical Padding, Water Sealing and Shaping
high Voltage Tapes —
Insulating and
Semi-conductive Layers
Mastic Compounds —
Insulating, Mechanical Padding,
Moisture Sealing and Shaping
NuMbeR oF LAyeRS/APPLiCATioN iNSTRuCTioNS
Always use a minimum of two half-lapped layers. The last layer should be wrapped in
a more relaxed manner — let the last wrap relax to prevent the layer from flagging.
Wrap tape tightly to achieve the watertight seal. Rubber tapes are typically
overwrapped with vinyl tape.
Apply outside of roll to the cable, in highly stretched half-lapped layers. Never use a
semi-conductive tape as an insulation.
Mastic compounds are to be overwrapped with vinyl tapes to initiate flow and
watertight seal. Do not apply excessive amount of mastic to prevent oozing.
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Glossary of Taping Terms
AdheSiVe
The medium that allows the backing to be quickly, positively
and efficiently positioned to do its job.
AdheSioN To bACkiNG
The bond produced by contact between a pressure-sensitive
adhesive and the tape backing when one piece of tape is
applied to the back of another piece of the same tape.
bACkiNG
The material that performs the tape’s desired functions
(insulation, protection, identification, holding).
CoNFoRMAbiLiTy
The ability of tape to fit snugly or make essentially complete
contact with the surface of an irregular object without creasing
or folding. Any tape can be applied to any surface, but it
may not conform.
dieLeCTRiC STReNGTh
The voltage that a tape will withstand without allowing passage
of current through it.
eLASTiC MeMoRy
A tendency of some tape backings to attempt to return
to their original length after being elongated.
eLeCTRoLyTiC CoRRoSioN FACToR
A measure of the tape’s corrosive effect on a copper conductor.
This is particularly important in the selection of tapes for use
as electrical insulation.
eLoNGATioN
The distance a tape will stretch lengthwise before breaking,
expressed in a percentage. Elongation is an indication
of conformability.
FLAGGiNG
When the end of a length of tape peels away from the surface
after the tape has been applied.
GAPPiNG
Openings between layers of tape within a roll.
hoLidAy
A small defect that lowers the dielectric strength
at the point of the defect.
MiGRATioN
The movement, over a long period of time, of an ingredient from
one surface to another when the two are in contact. This may
occur between tape components or between a tape and the
surface to which it is applied.
ooziNG
A “squeezing out” of the adhesive from between the layers
of tape so that the sides of the roll are very tacky.
PeAkiNG
Large “upheavals” in the outer layers of a roll of tape,
when several layers bunch and protrude outward.
Creates gapping within the roll.
PeeL AdheSioN
The force required to pull a strip of tape from a surface
at a specified angle and speed. Usually expressed in ounces
per inch width.
PReSSuRe-SeNSiTiVe
A term commonly used to designate a category of adhesive
tapes that, in dry (solvent-free) form, are aggressively and
permanently tacky at room temperature. They also firmly
adhere to a variety of dissimilar surfaces upon contact without
the need of more than finger or hand pressure. Despite their
aggressive tackiness, however, these tapes can be handled
with the fingers and removed from smooth surfaces without
leaving a residue.
PRiMeR
Material applied to the underside of the backing that prevents
the adhesive from adhering to both sides of the backing.
TACky
A lab synonym for “sticky,” or highly adhesive. Sometimes
used to express the idea of pressure sensitivity.
TeLeSCoPiNG
A sliding of the tape layers one over the other until the
roll assumes a funnel shape.
TheRMoSeTTiNG
Adhesive that sets or hardens on first exposure to heat, and
remains set regardless of subsequent temperature cycles.
TAPES
• Glossary of Taping Terms
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FAX 800-245-0329
Vinyl Electrical Tapes
Scotch Super 33+ Vinyl Electrical Tape
®
™
Scotch Super 33+ Vinyl Electrical Tape is a
professional grade, all-weather vinyl electrical
insulating tape. Super 33+ is conformable for cold weather
application to 0°F (-18°C) and is designed to perform in a
continuous temperature environment up to 220°F (105°C).
An aggressive adhesive and elastic backing enables
Super 33+ to easily conform to irregular surfaces for
moisture-tight electrical and mechanical protection.
Super 33+ provides flexibility and easy handling for
all around performance.
Scotch 33+ Vinyl Electrical Tape
®
Scotch Vinyl Electrical Tape Super 88
®
Scotch Vinyl Electrical Tape Super 88 is a 8.5 mil heavy
duty, premium grade all-weather vinyl
electrical insulating tape. Super 88 maintains
conformability for cold weather applications:
• Better mechanical/ abrasion resistance
•
Quicker build-up
Scotch Vinyl Electrical Tape 35
®
Scotch Vinyl Electrical Color Coding Tape 35
is a premium-grade electrical tape that stretches
to conform to virtually any shape that requires color-coded
insulation. Scotch 35 is abrasion- and weather-resistant,
with excellent mechanical and electrical insulation
properties, and wraps smoothly and holds tight over a
wide range of temperatures. There are nine stay-fast colors
for color-coding applications.
Scotch Vinyl Electrical Tape Super 88
®
Scotch Vinyl Electrical Tape 35
®
Scotch Vinyl Electrical Tape Super 88
®
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Scotch Vinyl Insulation Tape 22
®
3M Electrical Tapes Training Kit
In this kit you will find supplies for the
following applications:
•
Insulating and wrapping a split bolt
•
Insulating and wrapping a motorlead connection
•
Insulating and wrapping an inline splice
•
Insulating and wrapping a bus bar
TAPES
• Vinyl Electrical Tapes
Scotch Vinyl Insulation Tape 22 is one of
3M’s thickest (10-mil) vinyl electrical tapes.
It is designed for insulation applications that require greater
mechanical strength and abrasion resistance. Scotch 22
seals in all kinds of weather and provides moisture-tight
electrical and mechanical protection with fewer wraps than
thinner tapes.
Scotch Vinyl Electrical Tape 66r
®
Conformable 10-mil thick Scotch Vinyl
Electrical Tape 66R is designed to perform
in a continuous temperature environment up to 220°F
(105°C). It has excellent resistance to abrasion, moisture
and varying weather conditions (including ultraviolet
exposure). Scotch 66R, with its combination of elastic
PVC backing and rubber adhesive, provides moisture-tight
electrical and mechanical protection.
Tape Training Kit Flyer:
80-6016-0212-3
CD:
80-6016-0213-1
Student Kit:
80-6114-2896-4
PrEMIUM VInyl ElECTrICAl TAPES
FeATuReS
All-weather tape design
resists weather, UV resistance,
abrasion and corrosion
Far exceeds minimum agency requirements
AdVANTAGeS
Best adhesion and handling in all
weather conditions
long lasting
highest quality in product category
beNeFiTS
Makes job easier
and eliminates redos
lower maintenance cost
Provides freedom from worry
Holds strong
under extreme weather
conditions
FAX 800-245-0329
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