вода резиновый шланг

Water rubber hose This type of rubber hose is applied to conveyance of industrial compressed air and compressed air for mining and building engineering and the water at the temperature of 60degrees centigrade in industry,construction and agriculture. Anti-ozone aging:in the standard test chamber,concentration:50+/-5pphm;tempearture:40+/-2degrees centigrade;testing period:72t;without crack. Heat-proof aging:in the standard aging chamber,temperature:70+/-1 degree centigrade;testing period:72t;tensile change:not more than -20%;tensile stretch:not more than -40%. Specification:ø8mm ø10mm ø13mm ø16mm ø19mm ø25mm etc. Length:Supply and demand sides through association Executive standard:HG2184-91 Structure: 1.Inner layer of hose:styrene butadiene rubber(SBR) 2.Protective layer of common hose;blends of sytrene butadiene rubber and ethylene-propylene-eiene mischpolymere rubber(SBR&EPDM); 3.Protective layer of oil resistant hose:styrene butadiene rubber(SBR)and nitrile butadiene rubber blends,grade RMA-C; 4.Intermediate reinforced layer:polyester fiber spiral line. Appearance:mill finish,black,rd and yellow etc. Applicable temperature:-30 degrees centigrade to 70 degrees centigrade Joint connection:please supply,if needed,specific standard paramerers of detailed drawing while placing an order. WP20Bar, BP60Bar temperature:-30 degree to 100 degrees