The main body employs polarized rubber, which is heat-resisting, anti-corrosive and age-inhibiting.

 Portion :           Material 1. Main body: Polarized rubber 2. Lining: Nylon cord fabric 3. Frame: Hard steel wire 4. Flange: Mild steel Technical ConsitionNominal core diameter:32-300(11/4"-12") 350-500(14"-20")Working pressureMPa(kg.f/cm2):  2.0(20)         1.2(12)      0.8(8)Bursting pressure:                        6.0(60)         3.6(36)     2.4(24)Vacuity KPa (mmHg) :               100(750)       86.7(650)    53.3(400)                     Applicable temp:                            -20-+115 Applicable media : Air. Compressed air.water.sea water.hot water.weak acid.etc.

Rubber Expansion Joints