Brief introduction: 1. Producing procedure: Fiberglass yarn impregnated with epoxy resin etc, and then rolled in wet method, and then dried and consolidated. 2. Characteristics: It has excellent electrical and mechanical properties, low dielectrical loss, no deformation, chemical resistant etc. It can be used as main insulator on H grade dry type transformers, load tap changer, reactor, lightning protector, SF6 Inductor etc. 3. Heat resistance class: F,H