Polytech Instrument offers Humidity Detection Method Water Vapor Permeability Tester. Polytech Instrument is an ISO 9001-2000 certified company. Humidity Detection Method Water Vapor Permeability Tester is applicable in water vapor transmission rate tests for plastic film, laminated film, and various barrier materials employed by pharmaceutical industry, polyester foam, leather, textile, and non-woven. This permeability tester has facilities that can control and adjust the technical index of packaging materials independently by testing the water vapor transmission rate.
