1、CONSTRUCTION: with low temperature resistance inner layers of tyre fiber spiral and inner-armoed steel wire and a good-quality oil and weather and low temkperature resistance.

2、WORKING TEMPERATURE:-55℃~+100℃

3、PERFORMANCE:resistance -70KPA; tesistance +1.0MPA

4、SIZE:φ25mm~φ203mm

5、APPEARANCE:black serface with lines of nylon fiber wrapper or smooth surface