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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Water Vapor Transmission Rate (WVTR) packaging testing equipment measures the moisture barrier performance of films, bottles, and containers, crucial for shelf-life determination. Common technologies include infrared sensors (ASTM F1249), electrolytic sensors, and gravimetric cup methods (ASTM E96), providing precise data on moisture permeability. 
    Key WVTR Testing Equipment & Technologies 
    • Infrared Sensor Method: Used for high-precision, fast testing of films and packages (e.g., Labthink C303H, C301B).
    • Electrolytic Method: Popular for high-barrier materials (e.g., MOCON AQUATRAN-W 3/34).
    • Gravimetric/Cup Method (Vapometers): Utilizes weight changes to measure vapor transmission through materials (e.g., Thwing-Albert EZ-cup). 
    Commonly Tested Materials 
    • Flexible plastic films, aluminum foils, and co-extrusion films.
    • Paper-plastic composites, glass fiber materials, and blister packs.
    • Finished packaging containers (bottles, bags). 
    Key Features of WVTR Analyzers 
    • Environmental Control: Instruments allow precise temperature and humidity control (e.g., 15–50°C) to simulate real-world conditions.
    • Compliance: Equipment complies with ASTM F1249, ISO 15106-2, and ASTM E96 standards.
    • High Sensitivity: Specifically designed for low-moisture barrier testing to ensure long product shelf life. 
    Leading manufacturers include Labthink, MOCON, Scitek, and Thwing-Albert. 
    • Water Vapor Transmission Rate WVTR Tester - Labthink Testing Equipment
      WVTR stands for Water Vapor Transmission Rate and measures how much water vapor passes through a material over time. It's a critic...
      Labthink
    • Oxygen and Water Vapour Permeability - WVTR Testing - Smithers
      WVTR testing is performed using state-of-the-art MOCON AQUATRAN-W 3/34, PERMATRAN-W 3/33 and Labthink 390H apparatus. Samples are ...
      Smithers
    • C303H Water Vapor Transmission Rate Test System - Labthink
      The Labthink C303H Water Vapor Transmission Rate Test System is essential for water vapor transmission rate （WVTR） testing. This a...
      en.labthink.com
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    Web results

    Water Vapor Transmission Rate WVTR Tester


    Labthink
    https://www.labthinkinternational.com › test-property
    Labthink
    https://www.labthinkinternational.com › test-property
    Our instruments are capable of both WVTR and MVTR testing. They provide reliable, repeatable results for moisture barrier performance of flexible packaging ...Read more
    5.0(84)

    Water Vapor Permeation Analyzers - WVTR Testing


    AMETEK MOCON
    https://www.ametekmocon.com › products › wvtr-perme...
    AMETEK MOCON
    https://www.ametekmocon.com › products › wvtr-perme...
    Our MOCON water vapor transmission rate (WVTR) permeation analyzers offer a wide range of WVTR testing capabilities across the most diverse range of products ...Read more

    Water Vapor Permeability Tester


    en.labthink.com
    https://en.labthink.com › en-us › products › test-property
    en.labthink.com
    https://en.labthink.com › en-us › products › test-property
    Labthink provides the most comprehensive water vapor permeation analyzers. Our WVTR testers support multiple ASTM/ISO methods for precise moisture ...

    Water Vapor Permeability Analyzer,WVTR ...


    GBPI
    https://www.gbpitester.com › water-vapor-permeability-...
    GBPI
    https://www.gbpitester.com › water-vapor-permeability-...
    GBPI Water Vapor Permeability Analyzer used to test the water vapor transmission rate (WVTR) of packaging materials, such as plastic film, composite film, ...Read more

    Water Vapor Transmission Testing Equipment


    Thwing-Albert
    https://www.thwingalbert.com › product-category › mo...
    Thwing-Albert
    https://www.thwingalbert.com › product-category › mo...
    We carry testing equipment such as our EZ-Cup for measuring moisture vapor transmission rate (WVTR) using the cup method. Contact us for a quote today.

    Water Vapor Transmission Rate (WVTR) Tester WVTR-306


    Scitek Global
    https://www.scitekglobal.com › wvtr-tester-wvtr306
    Scitek Global
    https://www.scitekglobal.com › wvtr-tester-wvtr306
    The water vapor transmission rate tester(WVTR Tester) helps evaluate the moisture resistance and sealing properties of materials by accurately measuring the ...

    WVTR Testing Equipment: Protecting Products from Moisture ...


    Qualitest FZE
    https://qualitest.ae › article › wvtr-testing-equipment
    Qualitest FZE
    https://qualitest.ae › article › wvtr-testing-equipment
    WVTR testing equipment helps you evaluate water vapor transmission rates in packaging, electronics, and pharma materials, ensuring moisture control and ...

    WVTR Testing Equipment for Barrier Food Packaging


    gbpilab.com
    https://www.gbpilab.com › wvtr-permeation-analyzers
    gbpilab.com
    https://www.gbpilab.com › wvtr-permeation-analyzers
    WVTR Testing Equipment for Barrier Food Packaging W401 covers a procedure for determining the rate of water vapor transmission through flexible barrier ...Read more

    AQUATRAN ® Model 3 WVTR testing


    RDM Test Equipment
    https://www.rdmtest.com › Shop
    RDM Test Equipment
    https://www.rdmtest.com › Shop
    The AQUATRAN 3 analyzer can test the Water Vapor Transmission Rate (WVTR) on both films and packages from high to ultra-high barriers. It uses the MOCON's ...Read more

    Water Vapor Transmission Rate Tester GT-N100


    gester international co.,ltd
    https://www.gester-instruments.com › water-vapor-trans...
    gester international co.,ltd
    https://www.gester-instruments.com › water-vapor-trans...
    This water vapor transmission rate tester is a professional, efficient, intelligent high-end test system. It is used to determine the water vapor transmission ...Read more
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    People also ask
    What is WVTR in packaging material?
    Water Vapor Transmission Rate - Poly Print
    WVTR (water vapor transmission rate) is the steady state rate at which water vapor permeates through a film at specified conditions of temperature and relative humidity. Values are expressed in g/100 in2/24 hr in US standard units and g/m2/24 hr in metric (or SI) units.

    Water Vapor Transmission Rate - Poly Print


    Poly Print
    https://www.polyprint.com › flexographic-wvtr
    Poly Print
    https://www.polyprint.com › flexographic-wvtr
    What is MVTR testing?
    MVTR Test Apparatus. Sample specimens are conditioned and measurements made in a standard atmosphere laboratory (70 ± 2°F and 65% RH). The rate of moisture vapor diffusion through the material is determined according to the Simple Dish Method, similar to ASTM E96-80.

    Moisture Vapor Transmission Rate - Wilson College of Textiles


    Wilson College of Textiles - NC State University
    https://textiles.ncsu.edu › tpacc › comfort-performance
    Wilson College of Textiles - NC State University
    https://textiles.ncsu.edu › tpacc › comfort-performance
    How to test water vapor transmission rate?
    An error has occurred. Please try again later.
    What is the moisture vapor transmission rate MVTR test?
    Moisture vapor transmission rate (MVTR) is equal to the slope of the weight versus time curve divided by the area of the film. While simple and inexpensive, this technique is labor intensive, takes several days to complete and cannot handle films with very low TRs.

    Moisture Vapor Transmission Rate - an overview | ScienceDirect Topics


    ScienceDirect.com
    https://www.sciencedirect.com › topics › engineering
    ScienceDirect.com
    https://www.sciencedirect.com › topics › engineering
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