Water Vapor Permeability Tester

Complete Product Line for Various Standards

By studying various test methods of water vapor transmission rate, Labthink manufactures many water vapor permeability testing instruments based on ASTM E96/GB 1037 (gravimetric method), ISO 15106-2/ASTM F1249 (infrared sensor method), ISO15106-3 (electrolytic sensor method) and ISO15106-1/ASTME398 (humidity sensor method). Labthink has the most complete product line of water vapor permeability testing instruments in packaging industry worldwide.

Water vapor permeability is a measure of the passage of water vapor through a membrane. It is the rate of water vapor transmission per unit area per unit of vapor pressure differential under test conditions.
It is also known as water vapor transmission rate (WVTR) or moisture vapor transmission rate (MVTR).

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

W3/062 Water Vapor Transmission Rate Test System

W3/062 is based on cup method to measure water vapor transmission rate of plastic films, foils and finished packages. It has Six independent testing cells and can be easily connected with 9 satellite systems.

W3/031 Water Vapor Transmission Rate Tester

W3/031 is professionally applicable to the water vapor transmission rate test of film specimens. It is equipped with three individual test dishes and the testing process is completely automatic and conforms to international standards.

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

Electrolytic Detection Sensor Method

  • ISO 15106-3 - Plastics -- Film and sheeting -- Determination of water vapour transmission rate -- Part 3: Electrolytic detection sensor method
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C301B Water Vapor Transmission Rate Test System

C301B Water Vapor Transmission Rate Test System is designed and manufactured based on infrared sensor method and conforms to the requirements of ASTM F1249 and ISO 15106-2. 

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C306H Water Vapor Transmission Rate Test System

C306H WaterVapor Transmission Rate Test System is designed and manufactured based on infrared sensormethod and conforms to the requirements of ASTM F1249 and ISO 15106-2. 

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C303H Water Vapor Transmission Rate Test System

C303H Water Vapor Transmission Rate Test System is based on the testingprinciple of infrared water vapor sensor, it is designed and manufacturedaccording to ASTM F1249, ISO 15106-2 and other standards to provide highprecision and high efficiency water vapor transmission test for high and mediumgas barrier materials. 

C360M Water Vapor Transmission Rate Test System

C360 Water Vapor Transmission Rate Test System, is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96.

C360H Water Vapor Transmission Rate Test System

C360 Water Vapor Transmission Rate Test System, is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96.

C390H Water Vapor Transmission Rate Test System

C390 Water Vapor Transmission Rate Test System, is designed and manufactured based on infrared sensor method and conforms to the requirements of ISO 15106-2 and ASTM F1249.

C330H Water Vapor Transmission Rate Test System

Water Vapor Transmission Rate Test System, is designed and manufactured based on the electrolytic sensor method and conforms to the requirements of ISO 15106-3.

W3/062 Water Vapor Transmission Rate Test System

W3/062 is based on cup method to measure water vapor transmission rate of plastic films, foils and finished packages. It has Six independent testing cells and can be easily connected with 9 satellite systems.

W3/031 Water Vapor Transmission Rate Tester

W3/031 is professionally applicable to the water vapor transmission rate test of film specimens. It is equipped with three individual test dishes and the testing process is completely automatic and conforms to international standards.