NEPEM N-417 Composite Ion Exchange Membrane for Electrolysis/Electroplating

The NEPEM Composite PEM is fabricated via a proprietary tape casting process using perfluorosulfonic acid resin with optimized molecular weight and ion exchange capacity. It features uniform thickness and is widely applied in electrolytic industries such as electrolytic chlorine dioxide generators, etching solution copper recovery, gold salt preparation, amino acid refining, caustic soda production, and electrodialysis.

Description

Uniform thickness membrane for chlorine dioxide generators, metal recovery, and electrodialysis applications.

Thickness and Basis Weight
Thickness (μm) 260
Weight (g/m²) 340
Physical Properties (23°C,50%RH)
Tensile Strength (MPa) ≥40
Elongation at Break (%) ≥100
Specific Gravity 1.35
Performance
Conductivity (S/cm, 23°C,100%RH) ≥0.100
Acid Capacity (meq/g) 1.00±0.05
Hydrolytic Properties
Water Content (%) 5.0±3.0
Water Uptake (%) 50.0±5.0
Thickness Change (23°C water, %) ≤5
Thickness Change (100°C water, %) ≤10
Linear Expansion (23°C water, %) ≤2
Linear Expansion (100°C water, %) ≤5