Air Permeability Testers

Air permeability testers for battery separators, cigarette paper and breathable films. Timed air-volume method for QC labs.

Products in this Collection

Battery Separator Air Permeability Tester KHT-TQ645

Air permeability tester for lithium battery separators, tobacco-pack paper, cigarette paper, breathable films and alkaline battery separators. It measures the time for 100 mL of air to pass through 6.45 cm² of specimen at a 1.21 kPa differential pressure, reported in s/100 mL.

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Cigarette Paper Air Permeability Tester KHT-TQ645

Cigarette paper air permeability tester for tobacco and paper mills: air permeability of cigarette paper, tipping paper, plug wrap paper and tobacco-pack paper, with ISO 2965, GB/T 23227 and YC/T 172 among its reference standards.

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Frequently Asked Questions

What unit is air permeability reported in?

Usually s/100 mL, the time for 100 mL of air to pass through the specimen. The KHT-TQ645 can also show mL/min, μm/(Pa·s) and CU.

Which standard covers lithium-ion battery separators?

GB/T 36363 Polyolefin separator for lithium-ion battery.

Which standards cover cigarette paper?

ISO 2965 and GB/T 23227 are among the KHT-TQ645's reference standards for cigarette paper air permeability.