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Water Vapor Permeability Tester
Water vapor permeability is a measure of the passage of water vapor through the material. It is also known as water vapor transmission rate (WVTR) or moisture vapor transmission rate (MVTR). It is the mass of water vapor transmitted through a unit area in a unit time under specified conditions of temperature and humidity.
Water vapor permeability tester conforms to the multiple national and international standards:
Gravimetric Method (Cup Method)
- ISO 2528 - Sheet materials -- Determination of water vapour transmission rate -- Gravimetric (dish) method
- ASTM E96 - Standard Test Methods for Water Vapor Transmission of Materials
- ASTM D1653 - Standard Test Methods for Water Vapor Transmission of Organic Coating Films
- TAPPI T464 - Water Vapor Transmission Rate of Paper and Paperboard at High Temperature and Humidity
- Products: W3/030, W3/060, W3/062, W3/0120, W3/031
Electrolytic Detection Sensor Method
- ISO 15106-3 - Plastics -- Film and sheeting -- Determination of water vapour transmission rate -- Part 3: Electrolytic detection sensor method
- Products: W3/330, TSY-W3, C330
Infrared Detection Sensor Method
- ISO 15106-2 - Plastics -- Film and sheeting -- Determination of water vapour transmission rate -- Part 2: Infrared detection sensor method
- ASTM F1249 - Standard Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor
- TAPPI T557 - Water vapor transmission rate through plastic films and sheeting using a modulated infrared sensor Products: W3/230, C390