What are the standard numbers for hose couplings? What standards are they used to accomplish?
The general hose inside and outside the adhesive layer material with natural rubber, styrene butadiene rubber or butadiene rubber; hose with chloroprene rubber, nitrile rubber; acid and alkali resistant, high temperature resistant hose with ethylene propylene rubber, fluorine rubber or silicone rubber etc..
Hose: a tubular rubber product for the delivery of gases, liquids, slurries, or granular materials. It is composed of inner and outer rubber layer and skeleton layer. The material of skeleton layer can be made of cotton fiber, various synthetic fiber, carbon fiber or asbestos, steel wire and so on.
Standard number GB, according to national standards to complete.
