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 |
Oxygen Transmission Rate (OTR) Test System is designed and manufactured based on the coulometric sensor method (aka. equal pressure method) and conforms to ASTM D3985 and ISO 15105-2.