Semi-elastomeric polytetrafluoroethylene film

Details Semi-elastomeric polytetrafluoroethylene film Semi-elastomeric polytetrafluoroethylene film

1995-06-06

1997-10-07

Davis, Jenna

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428422, C09J 702

Patent

active

056746091

ABSTRACT:
A semi-elastomeric film of substantially pure polytetrafluoroethylene, such film exhibiting an elastic stretch at loads increasing over the range of about 20 to about 30 pounds force with an elongation of about 50 to about 100%, and further exhibiting inelastic stretching above about 30 pounds force and about 100% elongation.
The film is particularly suitable for use in forming tapes used in cable splice-wrapping applications since the range of about 20 to about 30 pounds force is the load range characteristic of hand-wrapping. The resulting wrapping remains under tension, gripping the cable and conforming to the splice irregularities.

REFERENCES:
patent: 4555543 (1985-11-01), Effenberger et al.
patent: 4770927 (1988-09-01), Effenberger et al.

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