Water Vapor Permeability Tester
WPT Series Water Vapor Permeability Tester is applicable to the water vapour transmission rate (WVTR) test of plastic films, composite films, sheets and other materials.
WVTR Test Method
Gravimetric / Cup Method - ISO 2528, ASTM E96, ASTM D1653, TAPPI T464
Recommended Instruments: WPT-201, WPT-204
Infrared Detection Sensor Method - ISO 15106-2, ASTM F1249, TAPPI T557
Recommended Instrument: WPT-204