C190H Air Permeability Tester applies volume method, and is professionally applicable to the gas permeability test of battery diaphragm, breathable membrane and related polymer materials, as well as the gas permeability test of cigarette paper and various papers.
TQD-G1 is professionally applicable to the determination of air permeability of decorating materials used in cars, e.g. polyurethane, expanded plastics, PVC, leather, textiles, non-woven and other materials.
TQD-G1A Air Permeability Tester is applicable to the test of air permeability and air resistance of automotive interior decoration materials, such as polyurethane foam, PVC, leather, textiles, nonwovens etc.