Solar Battery Back-sheet Moisture Transmission Testing

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Solar battery has found its wide application in many industries, Solar battery back sheet moisture transmission testing is very important.

Solar battery has wide application in many industries for its energy-saving, environmental friendly, long life and many other advantages.
Usually, the life span of solar batteries is designed up to more than 25 years. To achieve such long validity, a strict control of component quality should be guaranteed.
Of all the components, the back sheet of solar battery is of great importance. The back sheet protects the battery of photovoltaic set. One of the important indexes evaluating back sheet quality is the moisture barrier property of the back sheet material. If the moisture barrier performance is not good, the moisture in ambient atmosphere would migrate into the inside through the back sheet, especially in rainy days. The moisture permeation would affect the adhesive performance of EVA and lead to EVA peeling off; moreover, further direct contact of moisture with battery would lead to oxidization of the solar battery.
The above-mentioned back sheet is termed as TPT polyfluoroethylene laminated film, and usually consists of three layers as PVF, PET and PVF. The outer PVF layer is a good protection against ambient corrosion. The mid-layer, PET film, has good isolation ability. And the inner PVF layer, after treatment, has good adhesive performance with the EVA.
Labthink Instruments Co., Ltd., as the world leading moisture transmission tester researcher and manufacturer, introduces Labthink PERME TSY-T series moisture transmission testers and PERME W3/330 Water Vapor Transmission Rate Test System.
PERME TSY-T series includes three testers, namely, PERME TSY-T1L, PERME TSY-T1H and PERME TSY-T3. These testers all comply with weigh method, and are applicable to test moisture transmission rate of back sheet, plastics and laminated materials. Through moisture transmission testing, control and adjustment of materials can be achieved for demand for applications. This series of products are intellectual and fully automatic with no human interface; among which, PERME TSY-T3 Water Vapor Permeability Tester can carry out 12 independent testing simultaneously in 12 chambers with 12 different materials. The whole testing procedure, including temperature and humidity are automatically controlled.
Labthink PERME W3/330 Water Vapor Transmission Rate Test System, with its patent chamber design, can accomplish group testing of 3 individual or similar specimens with different results. Meanwhile, its master-satellite mode can realize 30 specimens tested simultaneously with 9 satellite bases connected to the master bases, which greatly satisfy the lab demands.

About Labthink:
Labthink, the excellent provider of testing instruments and testing services, is devoted to provide most excellent and complete quality control solutions for pharmaceutical, foodstuff, cosmetics, packaging, printing, adhesive, automotive, petrochemistry, environment, biology, new energy, construction, aviation and electronic industries worldwide.
Labthink Instruments Co., Ltd.
Mark Won Secretary@labthink.cn
Tel: +86 (0)531 85864214-8058
Fax: +86 (0)531 85812140
www.labthink.cn