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W3130 is based on the humidity sensor method, and is professionally applicable to the water vapor transmission rate test of film specimens. more...
VGOTECH Water Vapour Permeability Tester -Model no. VI4LWV, SR1219-87 made of twelve mettalic bottles. It measures water vapour permeability of leather. The bottles have nut of circular opening. The bottles are mounted on the bottles holders which rotate at specified revolution per minute with the h more...