Features of Rubber Welding Hose: 1. Application: For gas soldering of Oxygen, Acetylene, Helium etc 2. Material: Inner tube is made of SBR or NR; Or SBR&NR blend; Outer cover is made of SBR or NR; Or SBR&NR blend 3. Structure: 1. Interior lining +Strengthen lining +Exterior lining Surface is mill finish. Strengthen lining is high strength weaving fiber. 4. Color: Double color (red, green), (red, blue) or client appoint. 5. Temperature: -20° C- 70° C