Gas permeability is the ability of a barrier material to allow gases (O2, N2, CO2 etc.) to permeate through it in a specific time.
Gas permeability may vary with temperature, humidity, pressure and specimen thickness.
| Testing Instrument | Testing Method | Test Gas Note 1 | Specimen |
|---|---|---|---|
| C230 Series OX2/231 |
Coulometric Sensor Method (Equal Pressure) |
O2 Only | Films & Sheeting, Packages |
| C130H | Differential Pressure | O2, N2, CO2, Air and He | Films & Sheeting |
| VAC Series | Differential Pressure | O2, N2 and CO2, Special GasesNote 2 |
Films & Sheeting |
| G2/131, G2/132 | Differential Pressure | O2, N2 and CO2 | Films & Sheeting, Packages |
| G2/130 | Differential Pressure | O2, N2 and CO2 | Packages |
| BTY-B3P, BTY-B2P | Differential Pressure | O2, N2 and CO2 | Battery Diaphragms |
| OR2/410 | / | Organic Gases | Films & Sheeting |
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| Gas Permeability Tester | |||
