... 40mmBreakdown voltage: 1.5KV, 2.5KV, 4KV, 7KVtemperature range: -25 °C ~ 130°C;Colour: red line, green line, blue line and all kinds ... : 1.5KV, 2.5KV, 4KV,7KV temperature range: -70 °C ~ 260 °C;Colour :natural, white, red, black, yellow, etc. Acrylic fiberglass ... 30mmBreakdown voltage: 1.5KV, 2.5KV, 4KV,7KVtemperature range-20 °C ~ 105 °C;Colour: natural ,white, red, black, yellow, etc. Insulation ...