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Proton Exchange Membrane for Electrolyzer

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    Thickness and Basis Weight Properties

    Membrane Type Thickness(microns)(μm) Weight(g/m²)
    R-115 125 246
    R-117 175 345
    R-1110 220 432
    R-115W, R-116W, R-117W 125, 150, 175 246, 295, 345

     

    Physical and Other Properties

     

    Physical and Other Properties Typical Value Test Method
    Tensile Test(23℃,50% RH)      
    Tensile Strength(MPa) ≥28 ≥28 ASTM D882
    Tensile Modulu(MPa) ≥400 ≥200 ASTM D882
    Elongation at break(%) ≥120 ≥200 ASTM D882
    Specific Gravity 1.97 1.98  
    OtherProperties Typical Value Test Method
     Conductivity²(S/cm) ≥0.100 ≥0.100 GB/T  20042.3-2022
    Acid Capacity³(meq/g) 1.00±0.05 1.00±0.05 GB/T  20042.3-2022
    Dissolved Hydrogen Concentration
    (ppb Max)
      1000 -The performance

    of hydrogen production

    can be comparable to that

    of international brand R11-series.

     

    Hydrolytic Propertie

     

    Hydrogen Properties Typical Value   Test Method
    Water Content⁵(%) 5.0±3.0 5.0±3.0 ASTM D570
    Water Uptake(%) 50.0±5.0 50.0±5.0 ASTM D570
    Thickness Swelling Rate at 23℃,50% RH(% increase)
    water soaked at 23℃ 50% RH ≤5 ≤18 ASTM D756
    water soaked at 100℃ 50% RH ≤15 ≤30 ASTM D756
    Linear Expansion at 23℃,50% RH  (% increase)
    water soaked at 23℃ 50% RH ≤5 ≤16 ASTM D756
    water soaked at 100℃ 50% RH ≤18 ≤20 ASTM D756

     

     

      Measurements taken with membrane conditioned to 23 ℃,50%RH for 24h. 
      Conductivity measurement at 23 ℃,100%RH.
      A base titration procedure measures the equivalents of sulfonic acid group in the polymer resin,thus calculating the acid capacity or equivalent weight of the membrane.
      Water content of membrane conditioned to 23 ℃ and 50%RH(dry weight basis).
      Water uptake from dry membrane to conditioned in water at 100℃ for l hour (dry weight basis).