... 7KV Colour: red line, green Silicone fiberglass sleeving. Acrylic fiberglass sleeving. PVC fiberglass sleeving is fiberglass sleeving coated with PVC resin, with very good flexibility and dielectric ... white, red, black, yellow, etc.Silicone fiberglass sleeving. Acrylic fiberglass sleeving. PVC fiberglass sleeving is fiberglass sleeving coated with PVC resin, with very good flexibility and dielectric ...