Physical Performance of Anti Acid and Alkali Rubber hose ( Standard HG2183-91)

2016-01-20

 Performance ItemsValue
Inner TubeOuter Cover
Tensile Strength   (Mpa)                              ≥6.0
              Elongation At Break   (%)                            ≥              250
Vitriol(40%),                                                                   Indoor Temperaturex72 HoursChange Rate of Tensile Strength (%)          ≥-15
Change Rate of Elongation At   Break(%)   ≥-20
Hydrochloric   Acid(30%),                                           Indoor Temperaturex72 HoursChange Rate of Tensile Strength (%)           ≥-15
Change Rate of Elongation At   Break(%)   ≥-20
sodium Hydroxide(15%),                                                        Indoor Temperaturex72 HoursChange Rate of Tensile Strength (%)            ≥-15
Change Rate of Elongation At   Break(%)    ≥-20
Aging   in Hot Air                                                           70℃x72 HoursChange Rate of Tensile Strength (%)  -25~+25
Change Rate of Elongation At   Break(%) -30~+10
Adhesion Strength (KN/m)rubber layers & reinforcement                        >1.5

different reinforcements                                    >1.5