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YUXING manufactures premium solar backsheet film and white polyester/PET film for enhanced solar panel durability. Our UV-resistant, weatherproof films ensure superior insulation, extended panel lifespan, and IEC compliance. Trusted by global solar film manufacturers for cost-effective, eco-friendly solutions. Customizable specs available.White polyester film, excellent mechanical properties, heat-resistant quality & electrical insulation properties, good surface tackiness, UL certified products. Mainly used in the field of solar cell back material.
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1.Features and application
White polyester film, excellent mechanical properties, heat-resistant quality & electrical insulation properties, good surface tackiness, UL certified products. Mainly used in the field of solar cell back material.
2.Thickness & specification
Standard thickness: 100μm、125μm、150μm、188μm、250μm、300μm. Other thickness can be customized according to customer's specific requirement.
Recommended nominal thickness performance index
Item | Unit | Index | Test method | ||||||
Thickness | μm | 100 | 125 | 150 | 188 | 250 | 300 | ||
Thickness tolerance | % | ±3 | ±3 | ±3 | ±4 | ±5 | ±5 | GB/T 13542.2-2009 | |
Elongation at break ≥ | MD | MPa | 150 | 150 | 140 | 140 | 140 | 120 | |
TD | 160 | 160 | 160 | 160 | 150 | 130 | |||
Heat shrinkage ≥ | MD | % | 100 | 110 | 110 | 110 | 110 | 110 | |
TD | 80 | 85 | 90 | 90 | 90 | 90 | |||
Heat shrinkage (150℃,15min) ≤ | MD | % | 1.5 | ||||||
TD | 1.0 | ||||||||
Wetting Tension ≥ | Electric | mN/m | 52 | GB/T 14216-2008 | |||||
Light transmittance | % | 14±4 | 12±4 | 10±4 | 8±4 | 6±4 | 6±4 | ASTM D 1003 | |
Electrical strength ≥ | V/μm | 100 | 90 | 85 | 76 | 65 | 60 | GB/T 1408.1-2006 | |
WVTR ≤ | g/(m2.24h) | 3.5 | 3.2 | 3.0 | 2.1 | 1.8 | 1.6 | GB/T 21529-2008 | |
PCT accelerated aging | No cracking and embrittlement (40h) | 121℃, 100%RH, 2atm | |||||||
Remark: WVTR and PCT are type inspection, other indexes are delivery inspection. | |||||||||
3.Storage conditions
Stored in a clean, dry, ventilated place, keep away from fire and heating, avoid direct sunlight.
Quick Response within 24 hours!
Tel: 0086-519-81681538
Email: miaojingchang@czyuxing.com
No.8-8 West Tongzi River Road, Zhonglou Development Zone, Changzhou, Jiangsu 213023 P.R.China
WeChat: 
Jiangsu Yuxing Film Technology Co., Ltd is one of the leading BoPET film manufacturers in China. Equips state-of-the-art production lines and testing equipments our products are of outstanding and consistent quality. We offer a wide range of functional BoPET film with thickness range of 50~400μm. Our products and service are throughout fields of IT, LCD, electronic & electrical insulation, solar cell module and textile industry etc.
Jiangsu Yuxing Film Technology Co., Ltd was founded in year 2004. It is located in Changzhou City, Jiangsu Province, China.
As a high-tech enterprise, Jiangsu Yuxing film technology Co., Ltd keeps persisting in technical innovation and has been cooperated with famous universities in China for many years. We currently possess 7 national invention patents, 3 national utility model patents and 7 high-tech products. There are also 4 national invention patents and 1 model utility patent application have been submitted and entertained.
We will, as always, supply high quality products and service to our customers and look forward to deliver a profitable and sustainable growth to you as your reliable partner.
