Inner layer:

1.material:NR/SBR/BR/NBR/EPDM

2. feature:Air tightness and good resistance to buckling,smoothing, anti-bending, antil-elongating and anti-aging  

framework: employing fine fabric (canvas) or chemical fabric cloth.

Outer layer:

1.material: NR/SBR/BR/NBR/EPDM

2. feature:The tube body is light, Anti-bending of aging, ozone resistance, toughness and wear resistance Visual effect is good

Suitable temperature:-40 ~ +90 °C