Revitex VSC75 RW
Sleeving made of a special silicone
rubber coated fiberglass braid.
[...]
Heat treated thick wall braided
fiberglass sleeving impregnated
with silicone varnish. This is a
Class 250 electrical insulating
sleeving. Sleeving provides air space
insulation only
Fiberglass and silicone.