... ,silastic shed and metal fittings. insulator Types:FXBWFPQFZSWFSFQXMaterials:1. glass fiber ... be exchanged with porcelain glass insulator.composite insulator series, whose mechanical performance and ... insulator, has large tolerance of safe operation, is the renew product for electric power line. Composite suspension insulator(porcelain insulator,composite insulator,ceramic insulator,glass insulator ...