Type 2715 PVC Fiberglass Sleeving (Varnished Fiberglass Tube) Product Introduction Type 2715 PVC Fiberglass Sleeving (Varnished Fiberglass Tube) This insulating sleeve is manufactured from alkali-free fiberglass braided tube coated with polyvinyl chloride resin and thermally plasticized. PVC fiberglass sleeving features excellent dielectric properties, chemical resistance, superior flexibility and elasticity. It is used for wiring insulation and mechanical protection of