Silicone Extrusion Fiberglass Sleeve(inside fiber and outside rubber) is braided into tubes with non-alkali glassfiber,and then painted with silicone rubber through high temperature. It has better features than silicone glassfiber tubes in the aspect of electricity avoidness, flame off-self and flexibility. It is widely used in insulating protection of H&N Grade automobile,shipbuiding,electrical machinery,home appliance,electric&heat equipment,special light wire etc.