Permacel 665
(now Shurtape A&E 665)
is a utility gaff tape - strong & waterproof - leaves no adhesive residue -it tears straight - and is cotton cloth with a natural rubber adhesive.
Permacel 665 Gaff Tape Specs:
Backing material: vinyl-coated cotton cloth adhesive
synthetic rubber/resin
total gaffers tape thickness: 12.0 mils/0.305 mm
tensile strength: 45 lbs. per in./8.0 kg per cm
adhesion to steel: 60 oz. per in/670 gm per cm
unwind@150 fpm
25 oz. per in/280 gm per cm
gov't. specification: A-A-1586A, PPP-T-60
Read more about changes in 665 gaffers tape here
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