epoxy fiberglass tube is made of electrician non-alkali glass fiber cloth impregnated with epoxy resin, baked, forming mold after hot-pressing the cross-section was made of round bar of the glass rod with high mechanical properties. Dielectric properties and good machinability. Applicable to electrical equipment for mica insulation tape structural parts, and can be used in humid environment and transformer oil. The following are the same as the "