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Cation Exchange Membrane Comparison Table
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MembraneTypeThicknessAppearance / ColourBacking FoilDelivery FormReinforcement Weight per unit areaYoung's ModulusYield Strength Tensile StrengthElongation at BreakArea ResistanceSpecific ConductivityCounter IonIn-Plane ConductivityIon Exchange CapacitySelectivityUptake in H20Dimensional SwellingDimensional SwellingDimensional SwellingProton Transfer RateHydroxyl Ion Transfer RateBubble Point TestpH Stability RangeEquivalent Weight
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Conditionat 23 °C / 50 % r.h.at 23 °C / 50 % r.h.at 23 °C / 50 % r.h.at 23 °C / 50 % r.h.in Na+
form		in Na+
form		in Na+
form		0.1 / 0.5 mol/kg KCl at T = 25 °Cat T = 25 °Cin H20 at T = 25 °C2 M H2SO4 at T = 25 °Cin Vanadyl Sulfate at T = 25 °Cin H20 at T = 25 °Cat 25 °C
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Unitsmicronsg/cm²MPaMPaMPa%Ω cm²mS cm-1mS/cmmeq g-1%wt % %%% µmol min-1 cm-2µmol min-1 cm-2bar pHg/eq
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Nafion™ HP (Discontinued)Cation22Transparent / Colourless NoneDryePTFE0.00435391 (MD), 555 (TD)--182 (MD), 89 (TD)--H+> 72.0-50.0 ± 5.0------1-14-
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Nafion™ 211Cation25.4Transparent / Colourless YesDryNone0.005288 (MD), 281 (TD)-38 (MD), 41 (TD)252 (MD), 311 (TD)--H+---50.0 ± 5.0------1-14-
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Nafion™ XL (Discontinued)Cation27.5Transparent / Colourless NoneDryePTFE0.0055613 (MD), 400 (TD)-23 (MD), 28 (TD)200 (MD),185 (TD)--H+> 72.0--50.0 ± 5.0------1-14-
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Nafion™ 212Cation50.8Transparent / Colourless YesDryNone0.01266 (MD), 251 (TD)-45 (MD), 40 (TD)343 (MD), 352 (TD)--H+---50.0 ± 5.0------1-14-
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Nafion™ 115Cation127Transparent / Colourless NoneDryNone0.025--38225 (MD), 310 (TD)--H+---38------1-14-
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Nafion™ 117Cation183Transparent / Colourless NoneDryNone0.036--43 (MD), 32 (TD)225 (MD), 310 (TD)--H+---38------1-14-
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Nafion™ 1110Cation254Transparent / Colourless NoneDryNone0.05--43 (MD), 32 (TD)225 (MD), 310 (TD)--H+---38------1-14-
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Nafion™ N324Cation279.4BlackNoneDryPTFE fabric---43 (MD), 32 (TD)--------------1-14-
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Nafion™ N438Cation304.8WhiteNoneDryPTFE fabric------------------1-14-
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Nafion™ N424Cation381BlackNoneDryPTFE fabric------------------1-14-
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Fumasep FKS-PET-130Cation120-140WhiteNoneDryPET8.5 – 10.5 1300 - 190020 – 2560 - 8020 - 402.6 - 4.62.5 - 4.5H+-0.75 – 0.8596 – 99 15 – 250 – 1---10 - 30> 30 - 8-
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Fumasep FKB-PK-130Cation110 - 140BrownNoneDryPEEK10 – 13 1000 - 200015 – 3050 - 8020 - 502.5 - 5.02 - 8H+-0.8 – 1.0 96 - 9910 - 300 – 2---5 – 100> 3--
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Fumasep FKL-PK-130Cation110 – 140BrownNoneDryPEEK10 – 13 1000 – 200020 – 3050 – 80 20 - 503 - 101 - 4H+-0.6 – 0.896 – 9910 - 250 - 2---5 - 50 >3--
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Fumasep FKS-30Cation21 - 26Slightly BrownPET FoilDryNone4.0 - 4.22030 - 248046 - 6046 - 66128 - 1900.843.9H+-1.4399220%---120 - 130 > 31 - 14-
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Fumasep FKS-50Cation45 - 55Transparent / BrownPET FoilDryNone-----1.8 - 2.52.0 - 3.0H+-1.2 - 1.497 - 99 10 - 200 - 2----> 2.51 - 14-
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Fumasep FKE-50Cation45 - 55Transparent / BrownPET FoilDryNone7.5 - 8.51500 - 250040 - 6050 - 8050 - 2501.5 - 2.32.5 - 3.5H+-1.4 - 1.597 - 9915 - 350 - 2---200 - 500> 2.5--
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Fumasep FKD-PK-75Cation70 - 80Transparent / BrownNoneWet (2 wt% NaCl solution)PEEK9 - 102000 - 2500 30 - 40> 50> 15 %1.5 - 2.04 - 5Na+-1.4 - 1.696 - 99 20 - 30 0 - 1 ---300 - 600> 2.51 - 14-
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Fumapem F-1030Cation27 - 33TransparentPET FoilDryNone-260 - 300-35 - 46 80 - 150 %--H+--> 98 --< 10< 4> 7000-> 3--
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Fumapem F-1050Cation43 – 50TransparentPET FoilDryNone9.1 - 10.8260 – 350-31 – 4980 – 150--H+--> 97--< 10 < 4> 5000-> 3--
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Fumapem F‐930Cation28 – 33Transparent / Colourless PET FoilDryNone9.5 – 9.6200 – 25010 – 15 20 – 30 125 - 160--H+--> 90 % 2312 – 14 --> 10.000-> 2-930
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Fumapem F-930-RFSCation28 - 33Transparent / Colourless PET FoilDryYes (proprietary)-> 230> 10> 20> 150--H+---153-------
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Fumasep F-930-RFDCation28 - 35Transparent / Slightly Opaque PET FoilDryYes (proprietary)5.9 - 7.7290 - 340-37 - 4980 - 150--H+-----< 6< 4> 7500-> 3--
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Fumapem F-950Cation44 - 49Transparent / Colourless PET foilDryNone9.5 – 9.6 500 – 55013 – 17 30 – 35 125 - 160--H+-0.9593 - 942312 – 14 --> 10.000-> 3-950
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Fumasep F-10120Cation114 – 124Transparent / Colourless PET foilDryNone2.4205 – 218927 – 31235 - 2770.7914.3H+-0.88 - 0.9193 – 942413 – 14--6910-> 3-1400
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Fumasep F-10150-PFCation140 - 150Transparent / Colourless PET foilDryPFA25 - 30400 - 700-15 - 2020 - 501.8 - 2.96 - 9H+-0.7 - 0.994 - 9815 - 258 - 12---250 - 400> 3--
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Fumasep F-10270-PTFEeCation260 - 280WhiteNoneWetPTFE-> 1000-22 - 25---Na+-0.86> 98229 - 11-------
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Fumapem F-14100Cation100 - 120Transparent / Colourless PET foil DryNone-250 – 400 10 – 20 20 – 40 > 300 --H+-0.6 – 0.8 > 9615 - 254 – 6 ----> 40 - 10-
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Fumasep F-1075-PKCation70 – 80Transparent / Colourless Between paperDryPEEK 13 - 14400 – 45040 – 45> 30--H+-0.8 – 0.9> 97--00> 8000-> 3--
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Fumasep F-10120-PKCation120 – 135 Transparent / Colourless PET foilDryPEEK25660 – 830 35 – 36 38 - 42--H+-0.7995--42--> 3--
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Fumasep F-1850Cation45 – 50Transparent / Colourless PET (white)DryNone9.9 – 10.9 > 2308 – 12 24 – 30 360 - 390--H+-->99--44-----
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Fumapem FS-715-RFSCation15Transparent / Colourless PET foil DryePTFE-> 250> 10> 20> 150--H+-1.38-132-------
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Fumapem FS-930-RFSCation27 - 32Transparent / Colourless PET foil DryePTFE-> 250> 10> 20> 150--H+-1.15-1710-------
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Fumapem FS-930Cation27-31Transparent / Colourless PET foil DryNone-> 260> 10> 20> 150--H+-1.14-1319-------
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Fumasep FS-720Cation18 - 22Transparent / Slightly Opaque PET foil DryNone4.0 - 4.5> 190> 10> 20 130 – 190 --H+--> 97-93-----
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Fumasep FKS-PET-75Cation74 - 87Light CrèmeNoneDry PET 8.1 – 9.1> 1000-> 45> 12< 2.5-H+--> 95 -----80 - 350> 30 - 9-
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Fumasep FS-950Cation45 -55TransparentPET foil DryNone8.2 – 9.2270 – 34019 – 2836 – 50 90 – 150--H+--> 98--< 6< 4 > 8000-> 3--
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Fumasep FS-990-PKCation85 – 105Slightly BrownishPET foil DryPEEK13 – 17500 – 1000 -30 – 60> 20--H+> 601.1 - 1.25------> 3--
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Fumasep FS-9100-PKCation85 – 100Trans-illuminant, but not fully transparent / yellow to beigeNoneActivatedPEEK19 – 21 > 700-33 – 40 38 – 42--H+-1.08 - 1.15> 95--< 2---> 3--
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Fumasep FKMCation450 – 500BrownNoneDryPP (polypropylene fabrics)44 - 52----< 30> 1.7Na+-1.6> 93< 20< 2-< 2-> 50 nmol> 3--
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Aquivion E98-05Cation50Transparent / Colourless NoneDryNone97--40 MD, 30 TD150 MD, 200 TD--H+----------1-14980
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Aquivion E87-05SCation50Transparent / Colourless NoneDryNone97--40 MD, 30 TD160 MD, 200 TD--H+----------1-14870
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Aquivion E98-09SCation90Transparent / Colourless NoneDryNone174--40 MD, 30 TD150 MD, 200 TD--H+----------1-14980
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Aquivion E98-15SCation150Transparent / Colourless NoneDryNone290--40 MD, 30 TD150 MD, 200 TD--H+----------1-14980
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Xion PEM-Nafion-1000-05Cation5Opaque NoneDryePTFE-------H+----------1-141000
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Xion PEM-Nafion-1100-05Cation5Opaque NoneDryePTFE-------H+----------1-141100
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Xion PEM-Nafion-1000-10Cation10Opaque NoneDryePTFE-------H+----------1-141000
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Xion PEM-Nafion -1100-10Cation10Opaque NoneDryePTFE-------H+----------1-141100
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Xion PEM-Nafion-1000-20Cation20Opaque NoneDryePTFE-------H+----------1-141000
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Xion PEM-Nafion-1100-20Cation20Opaque NoneDryePTFE-------H+----------1-141100
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Xion PEM-Nafion-1000-30Cation30Opaque NoneDryePTFE-------H+----------1-141000
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Xion PEM-Nafion-1100-30Cation30Opaque NoneDryePTFE-------H+----------1-141100
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Xion PEM-Nafion-1000-50Cation50Opaque NoneDryePTFE-------H+----------1-141000
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Xion PEM-Nafion-1100-50Cation50Opaque NoneDryePTFE-------H+----------1-141100
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Xion PEM-Aquivion-720-05Cation5Opaque NoneDryePTFE-------H+----------1-14720
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Xion PEM-Aquivion-830-05Cation5Opaque NoneDryePTFE-------H+----------1-14830
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Xion PEM-Aquivion-720-10Cation10Opaque NoneDryePTFE-------H+----------1-14720
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Xion PEM-Aquivion-830-10Cation10Opaque NoneDryePTFE-------H+----------1-14830
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Xion PEM-Aquivion-720-20Cation20Opaque NoneDryePTFE-------H+----------1-14720
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Xion PEM-Aquivion-830-20Cation20Opaque NoneDryePTFE-------H+----------1-14830
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Xion PEM-Aquivion-720-30Cation30Opaque NoneDryePTFE-------H+----------1-14720
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Xion PEM-Aquivion-830-30Cation30Opaque NoneDryePTFE-------H+----------1-14830
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Xion PEM-Aquivion-720-50Cation50Opaque NoneDryePTFE-------H+----------1-14720
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Xion PEM-Aquivion-830-50Cation50Opaque NoneDryePTFE-------H+----------1-14830
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Xion PEM-Dyneon-725-05Cation5Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14725
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Xion PEM-Dyneon-725-10Cation10Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14725
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Xion PEM-Dyneon-725-20Cation20Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14725
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Xion PEM-Dyneon-725-30Cation30Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14725
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Xion PEM-Dyneon-725-50Cation50Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14725
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Xion PEM-Dyneon-800-05Cation5Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14800
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Xion PEM-Dyneon-800-10Cation10Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14800
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Xion PEM-Dyneon-800-20Cation20Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14800
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Xion PEM-Dyneon-800-30Cation30Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14800
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Xion PEM-Dyneon-800-50Cation50Opaque NoneDryePTFE-600-40 - 70---H+60 - 300---------1-14800
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Fumapem AM-40 - PBI Copolymer
N/A40Transparent / BrownNoneDryNone-2500 - 4500> 150> 150> 30--Proton Conducting post acid dopint------------
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