1. Service Temperature -70~300 2. Ozone, oxide, light and weathering aging resistance, excellent weather ability ... years.3. High insulation: Dielectric constant from 3 to 3.2, breakdown voltage from 20 to 50KV/mm4. Physical and chemical ... as a welding defender, heat protection quilt, foundry splash protection.2. Conveyor belt and expansion joints.3. Electrical insulation, chemical corrosion resistance ...