33 Vinyl Electrical Tape
Data Sheet
LISTED
539H
Insulation Tape
Product Description
3M ? 33 Electrical Tape is a quality, general-purpose
Typical Data/Physical Properties
Temperature Rating
vinyl insulating tape. It has excellent resistance to:
abrasion, moisture, alkalies, acid, copper corrosion
and varying weather conditions (including sunlight).
It is a polyvinyl chloride (PVC) tape that has a high
dielectric strength, is flame-retardant and
conformable, and provides excellent mechanical
protection with minimum bulk. It is a UL Listed
“Insulating Tape”.
UL 510
Flammability
UL 510
ASTM D1000
Dielectric Strength*
Standard Condition
80 ° C (176 ° F)
Pass
4 sec.
>1000 V/mil
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UL Listed; UL 510 Standard “Insulating Tape”
(product category OANZ), File E129200
Polyvinyl chloride (PVC) backing
Pressure-sensitive rubber based adhesive
Inhibits corrosion of electrical conductor
Compatible with solid dielectric cable insulation
High Humidity
Insulation Resistance*
Thickness*
Elongation*
Breaking Strength*
Adhesion*
To Steel
>90% of Standard
>10 6 Megohms
7 mils
200%
17 lbs./in.
24 oz/in.
Applications
To Backing
22 oz/in.
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Primary electrical insulation for all wire and
cable splices rated up to 600 volts
Protective jacketing for high voltage cable
Flagging*
Telescoping
24 hr. @ 50 ° C (120 ° F)
<0.1 in.
<0.1 in.
splices and repairs
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Harnessing of wires and cables
For indoor or outdoor applications
For above or below grade applications
* Per ASTM D1000
Note: These are typical properties and should not be
used for specification purposes.
