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NEPEM-1000 Series Perfluorosulfonic Acid lon Exchange Resin

Ion exchange membranes, fuel cell membranes, ion exchange membranes for vanadium redox flow batteries, ion membranes for the chlor-alkali industry, hollow fiber membranes, superacid catalysts for organic synthesis, and ultrastable ion exchangers, among other materials, are fabricated using various electrolytic setups.

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NEPEM-1000 Series Perfluorosulfonic Acid Ion Exchange Resin


The NEPEM-1000 Series Perfluorosulfonic Acid Ion Exchange Resin is a versatile material. It serves as a crucial component in various applications, such as ion exchange membranes for fuel cells, vanadium batteries, and the chlor-alkali industry. Additionally, it can be involved in the preparation of hollow fiber membranes, and is used as a super acid catalyst in organic synthesis and as a superstable ion exchanger. Its adaptability across different electrolysis apparatuses highlights its significance in electrochemical and synthetic processes.

NEPEM-1000 Series

Perfluorosulfonic Acid Ion Exchange Resin

Physical and Chemical Properties
Properties Index Parameters
Appearance White powder or granular
Acid Capacity (meq/g) 0.91-1.00
Exchange Equivalent (EW, g/mol) 1000-1100
Specific Gravity 1.97-2.00
Decomposition Temperature (°C) >350
Measurement Notes
  1. For determining the acid capacity or equivalent weight of the polymer, a base titration procedure is employed. Specifically, caustic soda is used to titrate and measure the equivalents of sulfonic acid groups present in the resin.
  2. Thermogravimetric analysis (TGA) is conducted to assess the decomposition temperature. The polymer sample is placed within a furnace and heated from room temperature to 600 °C, with a controlled heating rate of 10 °C per minute.

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