Oxygen transmission rate (OTR) of plastic films and sheeting
Determination of the oxygen transmission rate of plastic films and sheet-like materials. The test is performed on two parallel samples simultaneously.
Measurement conditions (temperature and relative humidity) can be chosen according to the intended use of the material. Oxygen permeability is typically measured at 23 °C and 0% relative humidity as per standard ASTM D3985. In moist conditions, for example at 38 °C and 90% relative humidity, standard ASTM F1927 is used.
Please disclose the desired temperature (from 10 °C to 38 °C) and relative humidity (either 0% or from 20% to 90%) upon ordering.
This measurement is suitable for plastic films with OTR values between 0.05 to 20 000 cm3/(m2 * day).
More information about the method:
Oxygen transmission rate (OTR)- Suitable sample matrices
- Polymeric films and sheets with smooth surfaces. Maximum thickness 2.5 mm. The expected OTR value should be between 0.05 and 20 000 cm3/(m2 * day).
- Required sample quantity
- Two sheets sized 12 cm x 12 cm. Preferably a few extra samples in addition to these.
- Typical turnaround time
- 3 weeks after receiving the samples
- Detection limit
- 0.05–20 000 cm3/(m2 × 24h)
- Available quality systems
- Accredited test method
- Device types
- Standard
- Method expert
Food contact materials
Packaging
Paper and board
Polymers and plastics
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