Used to test the moisture permeability of the material.
Water Vapour Absorption STM 478 Water Vapour Absorption Test Sample Set
EN ISO 20344
SATRA TM178
The sample is clamped between the open end of the test cup(including the specified amount of water)and the impermeable sealing layer, the test cup is stored at the specified temperature for a certain period of time, and then the change in the sample quality is measured
The testing machine includes six test cups. Each test cup has an inner diameter of35mmand a volume of100cm³. It includes a movable cover that can be clamped on the open end of the test cup, and the impermeable seal is laminated tightly through the cover. Test cup back end
Match laboratory standard rulers and code tables to determine the amount of water vapor absorption