It is made of alkali-free glass fiber woven tube coated with silicone rubber. And after being heated and plasticized, it forms the final product. It has good softness, good dielectric, arc resistance, corona resistance, self-extinguishment and solvent resistance. Heat resistance: H Withstand voltage: 1.5kv/2.5kv/4kv Standard color: white, can produce according to customers’ demands. Specification: inner diameter ≥1.0mm, ≤40mm Length: can be made in meters or roll, other requirements need negotiation.