... Epoxy resin fiber glass winding tube made of special purpose epoxy resin (high With special designed Epoxy resin fiber glass winding tube made of special purpose epoxy resin ... less than 5pCApplication: SF6 high-voltage switch, hollow insulator/bushingSwitch gear for the transformerTailor made is also possible ... φ188, φ190, φ220, φ240, φ248, φ325, φ370, φ400, φ500. Epoxy Resin Fiber Glass Winding Tube