Fiberglass sleeving coated with polyurethane is manufactured with non-alkali fiberglass braidedsleeving and coated with a layer of polyurethane and than thermoset to form F grade insulating sleeving.
聚氨酯玻璃纤维软管系采用无碱玻璃纤维编织成管，并涂以改性聚氨酯树脂经加热烘干而成的F级绝缘软管。
2
Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving; Sheets 343 to 345: Expandable braided ethylene chlorotrifluoroethylene (E-CTFE) textile sleeving, uncoated.