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A university's department of chemical engineering & materials science needed to test the oxygen permeability rate of 15 film samples made of polyethylene and polypropylene with a thickness range of 0.15 - 0.5 mm. The tests had to be run according to ASTM-D3985 at 23 degrees Celsius and 0% relative humidity. Labthink's certified lab was able to test the samples with the set parameters given.

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