... 0.5mm---30mm Breakdown voltage: 1.5KV, 2.5KV, 4KV, 7KV Colour: white, red, black, yellow Silicone fiberglass sleeving is twisted with ... non-alkli fiberglass yarn and coated with special silicone resin under high temperature, with good dielectric, self-extinguish ... heating equipments etc.Specifications:Diameter: 0.5mm---30mm Breakdown voltage: 1.5KV, 2.5KV, 4KV,7KV temperature range: -60 °C ...