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acid alkali resistant rubber hose This type of rubber hose is applied to machinery,ships and chemical industry where the circulating concentration of H2SO4and HCL solution is not more than 40%,NaOH solution is not more than 15%,and acid alkaline solution is equivalent to above concentration(except nitric acid NHO3).It is salt and seawater corrosion resistant. 1.Size:1"-12" 2.Max.length:40m 3.Delivery detail:depend on quantity 4.Sample:for free 5.Branding:as request 6.Applicable standard:HG2183-91 Technical parameters: 7.Anti-ozone aging:in the standard test chamber,concentration:50+/-5pphm,temperature:40+/-2°c,testing period:144t,without crack. 8.Heat-proof aging:in the standard aging chamber,temperature:100+/-1°c,testing period:72t,tensile change:not more than -20%,tensile stretch:not more than-40%. 9.Corrosion resistance:acid-alkali resistant. 10.Physical properties:tensile stretch of inner and outer rubber layer:≥300%,flexibility of hose is sound under -30+/-2°c for 5t,without craze crack or fracture after 180° bending over or doubling. 11.Structure: A.Inner layer of hose:blends of ethylene-propylene-diene monomer(EPDM0rubber and natural rubber(NR). B.Protective layer of hose:blends of EPDM &NR. C.Intermediate reinforced layer:polyester fiber spiral line. 12.Appearance:mill finish,black. 13.Applicable temperature:-30°c to 60°c 14.Bend radius:10 times of proper diameter dimension 15.Package: A.See the table for available common specifications,pressure,weight,length and volume etc. B.Standard dual protective packing and pallet packing are available as the case may be ,but shall be charged additiionally.