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Gas Permeability Testing Machine for Battery Separations

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We are the celebrated manufacturer, supplier, and exporter of Gas Permeability Testing Machine for Battery Separators that comply with various industry standards and norms. By analyzing and calculating pressure changes in the lower pressure side, gas transmission rate and various other parameters can be determined. Offered tester works by generating constant gas differential pressure between both the sides of the battery.Under certain temperature and humidity, a constant gas differential pressure is generated between the two sides of specimen. The gas transmission rate and other parameters can be obtained by analyzing and calculating pressure changes in the lower pressure side.


  • 3 equivalent specimens can be tested simultaneously with the average value as test result
  • Controlled by computer and test process is finished automatically


  • This gas Permeability Tester conforms to ISO 5636

Technical Data:

  • Test Range: 10~10,000 s/in2·100 ml
  • Pressure Range: 0~20 KPa (customization is available for others)
  • Resolution: 0.1Pa
  • Specimen Size: Φ12 mm


  • Test the gas permeability of battery diaphragms, breathable films and other relative polymer products.


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