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N500L - Gas Permeability Tester:

Differential Pressure Method


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This product is based on the differential pressure testing method and is designed and manufactured in accordance with ASTM D1434, ISO 2556, and other relevant international standards.

 

Equipped with a high-precision pressure sensor and automatic differential pressure maintenance technology, this instrument ensures high testing accuracy and stability.

 

It is suitable for testing the gas permeability of films, sheets, paper, packaging materials, and related products used in industries such as:

 

  • Food packaging
  • Pharmaceutical products
  • Medical devices
  • Daily chemical products
  • Photovoltaic and electronic industries

 

The system can evaluate high-, medium-, and low-barrier gas materials, delivering excellent testing efficiency and reliable performance for quality control, R&D, and production applications.