70HDT 3M, 70HDT Datasheet

Tapes & Mastics SILICONE HD 1 X30'

70HDT

Manufacturer Part Number
70HDT
Description
Tapes & Mastics SILICONE HD 1 X30'
Manufacturer
3M
Type
Electricalr
Datasheet
1.701X30.pdf (4 pages)

Specifications of 70HDT

Product
Tape
Size
1 in x 30 ft
Description/function
Electrical Tape
Lead Free Status / Rohs Status
RoHS Compliant part
Other names
5112857262
70 Self-Fusing Silicone Rubber
Electrical Tape
Data Sheet
1.0
2.0
78-8126-0479-7-A
Product Description
Scotch™ Brand 70 Silicone Rubber
Electrical Tape is a high-temperature arc-
and track-resistant tape composed of self-
fusing, inorganic silicone rubber and easy-
tear and easy-strip liner.
Tape features:
• Excellent track resistance.
• Excellent arc resistance.
• Excellent ozone resistance.
• High dielectric strength.
• Class “H” material (180°C continuous
• Workable at extremely low temperatures.
• Excellent conformability.
• Excellent instantaneous fusion; does not
• Matches Sky Blue Gray Munsell
• Excellent weathering characteristics.
• AA-59163 Class-I Type-I.
Applications
• As an overwrap for protection of
operation).
need to be held down.
5BG7.0/0.4.
terminating high-voltage cables against
arcing and tracking. High-voltage cables
with these insulations should be
overwrapped:
Butyl rubber
Oil-base rubber
Ethylene propylene rubber
P.V.C.
Low and high-density polyethylene
cross-linked
3.0
4.0
• As primary insulation where Class “H”
• As splice overwrap on spacer cable
Data
Scotch 70 Tape has a thickness of 12 mils
and is available in roll size 1 in. wide x 30
ft. long. The core is 1 in. I.D.
Specification
Product
The insulating tape must be composed of
self-fusing, inorganic silicone rubber with an
easy-tearing and easy-stripping polyester
liner. The product must be Sky Blue Gray
and conform to Munsell Color No.
5BG7.0/0.4. The tape must be capable of
operating continuously at Class H
temperatures (180°C/356°F). The tape must
be compatible with all synthetic cable
insulations as well as cable splicing
compounds.
Engineering/Architectural Specifications
All tape or tape-like terminations which will
be operated either outdoors or in areas
subjected to contamination or moisture shall
be overwrapped with at least one layer of
Scotch 70 Silicone Rubber Electrical Tape.
The exposed cable insulation on the lug side
of assembled stress cone kits, which will be
(180°C/356°F) temperatures are
encountered i.e., silicone rubber cables.
operating at 15 kV and above.
s

70HDT Summary of contents

Page 1

... As splice overwrap on spacer cable operating and above. 3.0 Data Scotch 70 Tape has a thickness of 12 mils and is available in roll size 1 in. wide x 30 ft. long. The core is 1 in. I.D. 4.0 Specification s Product ...

Page 2

... Table 2 Performance Tests Termination Tracking Test Reduced-dimension terminations are prepared according to 3M print 2047-B-16 (See Figure 1). Each specimen consists of 8 feet cable and two terminations. The contaminant employed in this test is the formula called out in ASTM Dust and Fog Test D-2132, as shown below: ...

Page 3

... Cable failure occurs. 3. The surface of the termination is severely burned. The time in hours for each failure is recorded. The results are as follows: Tape Termination Protection No protection Scotch 70 Tape self-fusing Time to Failure 15 hrs. 400 hrs. ...

Page 4

... If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any loss or damage arising from this 3M product, whether direct, indirect, special, incidental or consequential regardless of the legal theory asserted ...