PV331S Ultra High Water Resistant Backsheet HJT Requirements Encapsulation Of Crystalline Silicon Photovoltaic Modules

PV331S TDS-EN.pdf

PV331S is a Huitian self-developed backsheet made of different thicknesses of polyvinylidene fluoride film (PVDF film) as weather resistant layer, enhanced high resistance biaxially oriented transparent polyester film (PET) as a support layer, and fluorocarbon coating as EVA bonding layer, which is laminated by adhesive, with black and white color options.

Product Features

1) Ultra-high water vapor resistance <0.3g/㎡·day

2) Double-sided fluorine coating design, high heat resistance, high reliability

3) Transparent product, after UV300kWh/㎡, DH2000h, light transmission attenuation <5%

Applications

Suitable for PV back encapsulation material for photovoltaic modules

Packaging
Coiled Packing is available. Outer packing is carton; inner packing is sealed. There is information such as product name, model, batch number and batch barcode, production date, and certification mark. directions for use, and the number of joints on the carton.
Coil specification: 1130mm (width is customizable)

Pallet specification: 200m coil, 3x3 per pallet; 600m coil is also available.

Huitian New Material (stock code: 300041) is the oldest enterprise in China's adhesive & new material industry, with 46 years of development history, focusing on research and development, constantly breaking through the innovative technology of adhesive new material, taking the lead in solving the problem of necklace. With over 2,000 products spanning six disciplines, our offerings find extensive application in new energy, transportation, 5G communication, consumer electronics, aerospace, and beyond. We are committed to delivering new material one-stop solutions for high-end manufacturing industry head customers.

Huitian New Material has 6 R&D bases in Shanghai, Guangzhou, Xiangyang, Yicheng, and Changzhou, as well as industrial bases in Vietnam, providing customers with a stable supply of multi-series, high-quality products, and possessing a large-scale manufacturing capacity; the existing core R&D team consists of more than 300 people with PhDs and master's degrees, and it is the first "National Enterprise Technology Centre" in the domestic adhesive new material industry. Huitian New Material has been continuously investing in R&D for a long time, a joint development with customers, and forward-looking product reserve, constantly refining sustainable R&D capability; Huitian people's high-efficiency organizational force quickly responds to customers' needs and empowers and adds value to customers' products.

Huitian New Material was founded in 1977. Its predecessor was the earliest domestic research unit engaged in the research and development of adhesives. It is also a private high-tech enterprise transformed by a batch of research institutes in the country according to market-oriented operation. The company has a deep professional and technical accumulation and has been identified as a provincial-level post-doctoral industrial base and a national-level post-doctoral scientific research workstation.

In 2012, Huitian and the Chinese Academy of Sciences jointly set up the "High-Performance Adhesive Material Engineering Technology Center".

In 2013, Huitian Group inaugurated a new base and R&D center at its Shanghai headquarters to create a world-class adhesives R&D center.

In 2015, Huitian was awarded the National Enterprise Technology Centre jointly recognized by the National Development and Reform Commission, Ministry of Science and Technology, Ministry of Finance, General Administration of Customs, and General Administration of Taxation.

In 2017, Huitian Vietnam Yueyou Co., Ltd was established to start the road of overseas expansion.

In 2019, the Huitian Group set up overseas offices in Europe, America, and Southeast Asia to accelerate its overseas business development.

In 2022, Huitian New Material Japan Co., Ltd was founded and Huitian Vietnam Yueyou Co., Ltd opened a new office in the north part.

In 2023, Vina Evergreen Advanced Material Company Limited was established to invest in the overseas market, localization starts at the same time as internationalization.

In 2024, the Vietnamese factory of Huitien New Material starts production in BW Industrial Zone, Hai Duong, Vietnam, taking the first step toward overseas production.

Huitian New Materials has successively won the key high-tech enterprises of the National Torch Plan, China's well-known trademarks, China's Top 10 Most Valuable Investment Values, China's Adhesive Products Customer Satisfaction Brand, China's Top Ten Innovative Materials Enterprises, Patent Pilot Enterprises, and A series of precious honors such as honest taxpayer unit. The company has donated more than 20 million yuan to society and won the "Outstanding Contribution Award for Chinese Charity" twice.

Vision

Become the preferred expert for customers in adhesives and new materials

Bent on catching up with the world's advanced-level

Mission

Industry Serves the Country, Repays the Society

Values

Customer-centric, striver-oriented

Long-term hard work and continuous self-criticism

Culture

Competition, Reward, Innovation, Gratitude