... .5KV, 2.5KV, 4KV, 7KV Colour: white, red, black, yellow Silicone fiberglass sleeving is twisted with non-alkli fiberglass yarn and ... coated with special silicone resin under high temperature, with good dielectric, self-extinguish, which ... °C;Colour: white, red, black, yellow, etc. Fiberglass Insulation Sleeving - Silicone Coated