Silicone Coated Fiberglass Sleeving 1.1500-4000 Volt ... 0.8-30mm 4.past the ISO9001 ,UL,SG silicone resin under high temperature, with good dielectric, self- ... widely used for class H electrical machinery, electrical appliance, heating equipments etc. Specifications: Diameter: 0.5mm---30mm Breakdown voltage ... Colour: white, red, black, yellow, etc 1500-4000 Volt silicone rubber coated fiberglass sleeve