good hydrophobicity,ageing sesistance,anti-leakage trace and electrical erosion proof. Features:1. Applicable to high voltage ine service2. Good hydrophobicity, Anti-ageing3. Anti-leakage trace, Electrical erosion proof4. High tensile strength, bending strength5. Strong mechanical strength6. Shock resistance, Good quakeproof and Prevention of brittle failure7. Light weight, Easy installation8. ...