Silicone fiberglass sleeving woven as sleeving by non-alkali fiberglass and coated with silicone Resin in high temperature. Silicone rubber fiberglass (fiber inside and rubber outside) sleeving, woven as sleeving by non-alkali fiberglass and coated with silicone rubber in high temperature. It has better dielectricity, automatic quench and softeness than silicone fiberglass sleeving, widely used in the insulation protection of internal line cluster in H&N machinery, household electrial appliance, electroheat device and special illuminations.