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WVTR (Water Vapor Transmission Rate) testing equipment measures moisture barrier performance in packaging materials (films, bottles, containers) using specialized sensors or gravimetric methods. Key technologies include Infrared sensors (ASTM F1249), Electrolytic sensors (ISO 15106-3), and Gravimetric/Cup methods (ASTM E96), with major suppliers including Labthink, MOCON, and GBPI.
Key WVTR Testing Equipment Types & Methods
- Infrared Sensor Method (e.g., MOCON PERMATRAN-W, GBPI W405L): Offers high sensitivity and speed for films and packages.
- Electrolytic Sensor Method (e.g., MOCON AQUATRAN): Ideal for high-barrier materials requiring high-accuracy, low-level water vapor transmission measurements.
- Gravimetric/Cup Method (e.g., Labthink W301, Thwing-Albert Vapometers): Utilizes weight reduction principles for testing sheet materials, often adhering to ASTM E96 or ISO 2528 standards.
- Combination Systems: Some instruments like the Labthink C403H can measure both Oxygen (OTR) and Water Vapor (WVTR) transmission rates.
Key Features and Applications
- Applications: Food, pharmaceutical, medical device, and electronics packaging.
- Sample Types: Flexible films, bottles, blister packs, and, in some cases, complete finished packages.
- Parameters: Provides crucial data on moisture permeation, with advanced models offering independent testing for up to 3–4 samples simultaneously.
- Standards: Compliance with international standards including ASTM E96, ASTM F1249, ISO 15106, and GB/T 26253.
Major Providers
- Labthink: Provides a wide range of WVTR testing machines for various materials and standards.
- MOCON (AMETEK): Known for AQUATRAN and PERMATRAN analyzers.
- GBPI: Manufactures infrared and cup method analyzers.
- Thwing-Albert: Offers EZ-cup vapometers for traditional testing.
Prices for these instruments vary widely based on precision, ranging from around $5,000 for basic units to over $50,000 for advanced, high-precision, or combination systems.
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Water Vapor Transmission Rate WVTR Tester
Labthink
https://www.labthinkinternational.com › test-property
Labthink
https://www.labthinkinternational.com › test-property
Yes. Our instruments are capable of both WVTR and MVTR testing. They provide reliable, repeatable results for moisture barrier performance of flexible packaging ...Read more
Water Vapor Permeation Analyzers - WVTR Testing
AMETEK MOCON
https://www.ametekmocon.com › products › wvtr-perme...
AMETEK MOCON
https://www.ametekmocon.com › products › wvtr-perme...
The ideal analyzer for measuring water vapor transmission levels of breathable materials and non-woven barriers commonly used in the healthcare and construction ...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 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
As a global leading WVTR testing equipment supplier, Labthink provides the most comprehensive line of water vapor permeation analyzers in the packaging industry ...Read more
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
Oxygen and Water Vapour Permeability - WVTR Testing
Smithers
https://www.smithers.com › packaging-materials-testing
Smithers
https://www.smithers.com › packaging-materials-testing
Oxygen transmission rate (OTR) testing of films and packs is conducted using specialist MOCON OX-TRAN 2/22 and Labthink C230M equipment, providing precise and ...Read more
Advanced WVTR Testing for Packaging and OLEDs
Industrial Physics
https://industrialphysics.com › Knowledge Base › Articles
Industrial Physics
https://industrialphysics.com › Knowledge Base › Articles
Discover advanced methods for measuring water vapour transmission rates (WVTR) in packaging and OLEDs, including NDIR and Coulometric techniques for precise ...
Water Vapor Transmission Rate (WVTR) Tester WVTR-203
Scitek Global
https://www.scitekglobal.com › wvtr-tester-wvtr203
Scitek Global
https://www.scitekglobal.com › wvtr-tester-wvtr203
The Water Vapor Transmission Rate (WVTR) Tester is manufactured based on the infrared sensor method and is applicable to test the water vapor transmission rate.Read more
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
What Testing Equipment Do You Really Need for Flexible ...
LinkedIn · Labthink
9 reactions · 3 months ago
LinkedIn · Labthink
9 reactions · 3 months ago
A WVTR Tester (or a Permeation Analyzer) is used to precisely measure the rate at which moisture permeates through a film. This rate is critical ...Read more
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