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Crown BO-L5 Backsheet

The inner layer of the backsheet is made from independently developed polyolefin film, while the outer protective weather-proof PET film has excellent overall stability, making the backsheet suitable for the encapsulation of the solar cell modules of various DG power stations.

Characteristic Value

NO.	Item		Unit	Standard Value	Test Method
1	Color		-	White/Black	MG Method
2	Thickness		μm	185	ASTM D2305
3	Tensile Strength	MD	N/cm	≥150	ASTM D882
3	Tensile Strength	TD	N/cm	≥150	ASTM D882
4	Elongation	MD	%	≥50	ASTM D882
4	Elongation	TD	%	≥50	ASTM D882
5	Heat Shrinkage Rate	MD	%	≤1.5	MG Method
5	Heat Shrinkage Rate	TD	%	≤1.0	MG Method
6	Heat Loss Rate		%	≤1.0	MG Method
7	Peel Strength between Layers		N/cm	≥4	MG Method
8	Adhesion between Backsheet and EVA		N/cm	≥40	MG Method
9	Adhesion between Backsheet and silicone sealant		N/cm	≥15	MG Method
10	Water Vapor Transmission Rate		g/m2.day	≤2.5	ISO 15106.3
11	Breakdown Voltage		kV	≥12	ASTM D149
12	Partial Discharge		VDC	1000	IEC60664-1

Product Characteristics

1.Excellent quality stability

The products with stable quality are produced in high grade purification workshop in strict accordance with the operation and management of ISO system by using advanced precision coating facilities.

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 PO film has excellent resistance to UV radiation through the special function design. The special white PET film also has excellent anti-UV performance. Product durability is very long.

4.Excellent adhesion between backsheet and EVA

Adhesion adaptability between Backsheet and EVA is excellent.

5.Excellent adhesion adaptability between backsheet and silicone sealant

The mainly commercial silicone sealant can be bonded include：Tonsan 1527、HT 906Z and so on.

Packaging Mode

1.Specification size 1ROLL

Customer width × 200m

2.Packing material:

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

Stock code:688560

Address: No. 32 Jingfa Avenue, Economic and Technological Development Zone, Yichun City, Jiangxi Province

Service hotline

0795-7029699

WeChat official account

Shanghai ICP No. 19026278-1