What kind of material is good for heat shrinkable tube of automobile air conditioner?
There should be four layers of material: 1, the innermost layer is Niron; the 2 layer is chlorinated butyl rubber (CL-HR); 3, the middle layer of polyester fiber reinforced layer; 4, the outermost layer of ethylene propylene rubber (EPDM)
No, they're usually EPDM. Add CR, and Web
Water pipe for car: inner and outer layers are made of three yuan ethylene propylene rubber, and the middle reinforcing layer is made of polyester yarn. Air conditioning tube (R134a): butyl rubber tube with reinforced layer. The outer layer of the hose is covered with holes in the outer layer with a hose needle hole machine to prolong the service life of the pipe. The outer layer of the air conditioner hose is usually protected by bellows, and the hose is usually protected with a sheath (EPDM material)
