Zhongtian Photovoltaic Materials Co., Ltd.
From $5.02 / m2
Layers: PVDF / PET / PEVA
Region: China China
Note: Your Enquiry will be sent directly to Zhongtian Photovoltaic Materials Co., Ltd..


The ZTT-KPE has high quality PET dielectric grassroots, hydrolysis, anti-embrittlement and stable insulation. Its superior performance to meet worldwide requirements for use in harsh outdoor environments.

Product Characteristics

Product Characteristics  
Outer(Air)Layer PVDF
Outer(Air)Layer Thickness 25 µm
Mid Layer 1 PET
Mid Layer 1 Thickness 250 µm
Inner(Cell)Layer PEVA
Inner(Cell)Layer Thickness 70 µm
Total Thickness 375±10 µm
Width 1100 mm
Outer(Air)Layer Colour White
Inner(Cell)Layer Colour
Stability Characteristics  
Tensile Strength (Length/MD) 110 Mpa
Tensile Strength (Width/TD) 110 Mpa
Elongation (Length/MD) 100 %
Elongation (Width/TD) 80 %
Interlayer Peel Strength ≥4 N/cm
Peel Strength (EVA-Backsheet) ≥60 N/cm
Moisture Vapour Transmission Rate(MVTR) ≤1.5 g/m2per day
Optical & Thermal Characteristics  
Partial Discharge Voltage ≥1000 VDC
Breakdown Voltage ≥18 kV

About Zhongtian Photovoltaic Materials:

Zhongtian Photovoltaic Materials Co., Ltd. is a joint venture company established by ZTT and Solar Energy Research Institute of Shanghai Jiaotong University with registered capital of RMB 200 million yuan, specializing in the design, R&D, production and sales of solar cell back sheet.

As high-tech manufacturing enterprises with independent core technology of R&D of solar cell backsheet, Zhongtian Photovoltaic Materials Co., Ltd. with technology R&D as core has a first-class R&D center, introducing advanced detection equipment and analytical instruments of the United States, Japan and other countries. Moreover, with fine manufacturing as the basis, the company possesses the international advanced production lines of solar cell back sheet, high-precision coating equipment and standard purification plant and its current annual production capacity of solar cell back sheet is up to 15 million square meters.

ZTT has more than 20 years of practical experiences and technical accumulation of worldwide electrical safety and long outdoor weathering material. Zhongtian photovoltaic expert team focuses on R&D industrialization of solar cells, modules, systems and raw materials. With the growing scale and standardization of photovoltaic industry, we understand the customer's past, present and future needs, and are committed to providing more than 25 years of stable and efficient solar cell back sheet for PV modules. ZTT Series solar cell back sheet released by our company have launched through a comprehensive performance test, and have been fully certified by TUV, UL in the earliest. Zhongtian Photovoltaic Materials Co., Ltd. provides timely and thoughtful service for global customers, and strives to become a world-class photovoltaic materials professional manufacturing and service provider.

Zhongtian Photovoltaic Materials Co., Ltd.

No.99, Tongren Road, Economic-Technological Development Area, Nantong, Jiangsu
No. Staff: 100
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