Solar Battery is widely used in various industries today. To generate the quality of solar battery, need to control the barrier property of the backsheets. How to sample the water permeability of backsheets becomes an important subject for the manufacturers of solar power.
Labthink supplies differnet models which always be suitable for different customers.
Labthink W3/330 Water Vapor Transmission Rate Test System is relevant in water vapor transmission rate testing for high barrier matrials, laminated films, sheets, solar energy back sheets, high barrier materials, foils, OLED, water-proof membranes and bottles, pouches, jars, boxes made from plastic, rubber, paper, glass and metal, as well as medical devices, and. With water vapor transmission testing, controlling and adjustment of packaging materials can be achieved; application demands can also be satisfied.
The testing principle of water vapor transmission rate tester is as follows: Mount the preconditioned specimen between the testing cells and clamp tightly. Nitrogen with constant humidity flows in one side of specimen; dry nitrogen flows an additional side of the specimen. Owing to the humidity difference, water vapor passes using the specimen from higher humidity side and enters the lower humidity side, particularly carried to the sensor by the dry nitrogen. The electrical signals are generated; water vapor transmission rate various other parameters can be obtained by analyzing the electrical messages. For packages, dry nitrogen flows in the packages, high humidity nitrogen flows regarding the outer side from the package.
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