... 4KV, 7KV Colour: red line, green Silicone fiberglass sleeving. Acrylic fiberglass sleeving. PVC fiberglass sleeving is fiberglass ... non-alkli fiberglass yarn and coated with special silicone resin under high temperature, with good dielectric, ... natural ,white, red, black, yellow, etc.Silicone fiberglass sleeving. Acrylic fiberglass sleeving. PVC fiberglass sleeving is fiberglass sleeving coated ...