BO Backsheet Series
Crown BO-P2 Backsheet
The product is made by self-developed M layer as the inner material and PET film with splendid weather resistance ability as the air layer. It has excellent comprehensive stability which is suitable for the packaging of solar cell modules in various distributed power plants.
NO.ItemUnit Standard Value Test Method
1Thicknessμm 310ASTM D2305 
2Color- W/B/TVisual Check
3Tensile
Strength
MDN/cm≥310ASTM D882
TDN/cm≥310
4ElongationMD≥80ASTM D882
TD≥80
5Thermal ShrinkageMD≤1.2MG Method
TD≤0.9
6Thermal Weight-loss Rate%≤1.0MG Method
7Adhesion between EVA and backsheet N/cm≥40MG Method
8Adhesion between backsheet and silicone sealantN/cm≥15MG Method
9Water Vapor Transmission Rateg/m2.day≤2.0ISO 15106.3  
10Breakdown VoltagekV≥15ASTM D149
11System VoltageVDC 1500IEC62788-2
12Transmission (Transparent BS)%≥85MG Method

1.High Wear-resistance

The PET film has excellent wear-resistance which provides splendid protection performance for battery sheet.

2. Humidity and heat aging resistance

The main characteristics of the product are excellent after the 85℃/85%R.H. aging.

3. UV resistance stability

The specially designed M layer has excellent resistance to UV radiation,  meanwhile the air layer has excellent anti-ultraviolet ability. The stability and creep rupture of it is excellent.

4. Excellent adhesion between backsheet and films

Backsheet has extensive adhesion adaptability with most commercialized EVA and POE films.

5.Wide adaptability of backsheet for  silicone sealant adhesiveness

Bondable with generally commercialized  silicone sealant includes products such as Tianshan 1527 and Huitian 906.

1.Specification size 1ROLL

Customer width × 200m

2.Packing material:

3 inch tube core 、PE moisture-proof bag 、Safety bracket ,Outer carton packaging.

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