Nafion HP

Brand: Chemours
Product Code: 1600000

From $34.00

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Please note that Nafion HP has been discontinued by Chemours and only limited supplies are available for the time being.

Nafion HP membranes are ultra-thin cation exchange membranes that are manufactured by the Chemours Company.  These membranes are reinforced and designed for lower relative humidity environments and high operating temperature. The reinforcement improves the membrane’s handling and physical properties. When the reinforcement is combined with the chemically stabilized polymer, the Nafion HP membrane exhibits both substantially lower fluoride ion release and longer operating durability under challenging fuel cell conditions. Nafion HP is 20.3 micrometers (0.8 mil) thick. The membrane is positioned between a backing film and a coversheet.

Nafion HP Membrane Properties

Handling and Storage of Chemours Nafion Perfluorinated Membranes

Nafion Membrane Technical Bulletin No. 93-01 for "DRY" H+ Membrane Pretreatment

Nafion Membrane Safety Handling Technical Information Bulletin T-01

Membrane Properties
Thickness 22 micrometers (0.8 mil)
Basic Weight (g/m²) 43.5
Tensile Strength - max. (MPa) 38 (MD), 41 (TD) - Method: ASTM D 882
Non-Std Modulus (MPa) 391 (MD), 555 (TD) - Method: ASTM D 882
Elongation to Break (%) 182 (MD), 89 (TD) - Method: ASTM D 882
Hydrogen Crossover (ml/min·cm²) < 0.015
In-Plane Conductivity (mS/cm) > 72.0
Through-Plane Conductivity (mS/cm) > 50.5
Membrane Hydrolytic Properties
Water content (% water) 5.0 ± 3.0% - Method: ASTM D 570
Water uptake (% water) 50.0 ± 5.0% - Method: ASTM D 570
Linear Expansion % increase - 50% RH, 23°C to water soaked 23°C 1% (MD), 5% (TD)
Linear Expansion % increase - 50% RH, 23°C to water soaked 100°C 3% (MD), 11% (TD)

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