Grade-RM NBR Cover + Sythetic Rubber Tube Single Twin Welding Hose

Cope of application: Oxygen/acetylene gas welding or inert gas(such as argon gas and helium gas etc.)welding,in line with the requirements of standard RMA/CGA for Grade RM welding hose,non-conducting;the inner layer of rubber hose of this grade is not oil and flame resistant,but the protective layer is oil and flame resistant. Structure: 1. Inner layer of hose:styrene butadiene rubber (SBR) that is applied to oxygen and acetylene gas; 2. Protective layer of hose:nitrile-butadiene rubber and butyronitrile polyvinyl chloride blends(NBR & PVC) or chloroprene rubber(CR) 3. Intermediate reinforced layer:polyester fiber spiral line. 4.Applicable temperature: -25℃ to 70℃。 Size： Other size and length are available