... epoxy resin (high With special designed Epoxy resin fiber glass winding tube made of special purpose epoxy resin ... and ultra low viscosity property) and high-quality glass fiber, you can make high voltage and SF6 extra ... busing from 40.5KV to 550KV. Reinforced with glass fiber and special winding structure, this product is more ... , φ240, φ248, φ325, φ370, φ400, φ500. Epoxy Resin Fiber Glass Winding Tube