Common test performed for evaluating the amount of water absorbed by the outside layer of a corrugated fiberboard box to determine if the material is up to certain standards. For instance, When doing UN certification packing testing for hazardous materials the average of 5 test samples can't absorb more than 155 g/m² of water after 30 minutes
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Common test performed for evaluating the amount of water absorbed by the outside layer of a corrugated fiberboard box to determine if the material is up to certain standards. For instance, When doing UN certification packing testing for hazardous materials the average of 5 test samples can't absorb more than 155 g/m² of water after 30 minutes