Product name: FRP+NBR composite pipe
Product material: glass fiber + epoxy resin + butyl rubber (NBR)
product use: suitable for winding various optical films, electronic films,
Product advantages: Improve short-difference extrusion of film in the early stage of winding, adjustable surface rubber hardness, semi-permanent use through turning and rewrapping.
1. Winding angle of glass fiber (45°-65°)
2. Fiber content weight ratio, more than 70%
3. Density≧1.92g/cm3
4. Water absorption≦0.2%
5. Vertical layer bending strength≧400MPA
6. Shear strength≧32MPA
7. Axial compressive strength≧150MPA
8. Parallel layer breakdown voltage (90±2)℃ in oil ≧50KV
9. Dielectric loss factor ≦0.05 under power frequency
10. Dielectric constant ≦3
11. Insulation resistance≧5×10000
12. Surface withstand voltage (1 minute in air, distance 35MM) ≧14KV
13. Temperature resistance grade: (long-term use temperature resistance is less than 140°C) Class F (155°C)
