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Environmental Conditioning
One of the first test processes often required prior to conducting physical testing on the package, container, or packaging component being evaluated is Environmental Conditioning; this process brings the item to be tested into equilibrium with specific temperature and humidity conditions prior to testing.
Environmental Conditioning is conducted in an environmental chamber designed to maintain tight controls over temperature and humidity. The test levels chosen and the rates of change between these levels are often typical of what might be encountered during an extreme distribution cycle, for example, or storage for an extended period of time.
The temperature and moisture content of the packaging material to be tested is critical, as are the environmental conditions during testing. For example, paper based materials are hydroscopic and will change their strength characteristics as they absorb or release moisture.
Typical Procedures/Protocols
- ASTM D4332
- ASTM D3103
- IEC 60068-2-13
- IEC 60068-2-14
- IEC 60068-2-41
- IEC 60068-2-1 & 2
- IEC 60068-2-38
- ISTA 2 & 3 SERIES
- ISO 11607
- ISO 2233
- MIL STD 810G
- ETS 300 019-2-1, 2-2
Westpak Capabilities
Westpak continually upgrades and expands its equipment line-up. Therefore this list is a minimum of our capabilities:
(65) Temp/Humidity Chambers
(1) Thermal Shock Chamber
(2) Temp/Altitude Chambers
(4) Freezers