Filament winding epoxy fiberglass polymer tube:The main application of fiberglass tube is used in expulsion fuse tube cutout for interrupting high voltage AC circuits during power surge.

In addition, glass filament wound tubes are also widely used in the main insulation products of high-voltage test devices such as oil immersed transformers, H-class dry-type transformers, railway locomotive transformers, on load tap changers, reactors, lightning arresters, SF6 transformers, etc.