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 |
|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.