... quality and lower price welding rubber tube series: Oxygen rubber tube, acetylene rubber tube,oxygen acetylene parallel rubber tube1. compositions: The pipe ... green redand so on, mainly uses in to transport the oxygen and the acetylenegas welding or cuts the equipment.3. specifications ... , 6mm, 8mm, 9mm, 10mm4. working pressures: 2.0MPa bursting pressure: 6.0MPa oxygen hose