BO Backsheet Series
Crown BO-P1 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 ValueTest Method
1Thicknessμm 170ASTM D2305 
2Color- W/B/TVisual Check
3Tensile
Strength
MDN/cm≥200ASTM D882
TDN/cm≥200
4ElongationMD≥80ASTM D882
TD≥80
5Thermal
Shrinkage
MD≤1.2MG Method
TD≤0.9
6Thermal Weight-loss Rate%≤1.0MG Method
7Peeling strength with POE/EVAN/cm≥40MG Method
8Peeling strength with silicone sealantN/cm≥15MG Method
9Water Vapor Transmission Rateg/m2.day≤3.0ISO 15106.3  
10Breakdown VoltagekV≥10ASTM D149
11System VoltageVDC 1000IEC62788-2

1.High Weather-resistance

The PET film has excellent weather-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°C/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 x 200m

2.Packing material:

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

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