... air hose Material :SBR Natural rubber; Size:3/8",1/2",5/8",3/4",1"2) Color: Red, blue, black, green, yellow, ... the rubber hose; 3) Working pressure: 15Bar; Bursting pressure: 45Bar;4)Structure: Inside bond layer + reinforcing layer + outside bond layer; ... outside surface is mill finish, reinforcing layer is braid fiber with high retroactivity ,weather and ozone, abrasion resistant; temperature: -30 ...