... high abrasion resistant silicone rubber, offering good dielectric strength and flexibility throughout a wide operating temperature range.• Diameter: 0.5---20mm• Insulation Class: H ... • Colours: White ,red, blue, black, green, yellow• B.V.: 4000V, 7000V, 10000V• Package: 200M/roll,100M/roll , 50M/roll silicone rubber fiberglass sleeving