1. High tensile strength; 2. It can be used between – 80 ℃ and 300 ℃ 3. Excellent sealing performance, chemical resistance and aging resistance, non-toxic and pollution-free 4. With high insulation property, dielectric constant 3-3.2, breakdown voltage 20-50kv / mm; 5. It has better heat resistance, insulation and flame retardant properties. It can be