... for Oxygen,Acetylene,welding and cutting. 2.Made of quality PVC&Rubber,it is light,anti-bending,acid,alkali. Welding hoseMade of ... quality PVC&Rubber,it is light,anti-bending,acid,alkali,heat,cold and ... .Its use life 2-3 times linger more than traditional rubber hose,so it is a new product which instead of ...