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Transparent, excellent electrical insulation, mechanical properties and heat resistance. Strong adhesion. 0.100mm～0.250mm film passed UL certification. Used for solar backsheet.
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1. Introduction of Transparent BOPET Film for Solar Backsheet BD10 |
BOPET Department, established in 2013, with total investment of RMB 2.5 billion, introduced a full set of production line from Europe. Formally put into production in the second half of 2014, with production capacity of 20000 tons. The main products are BOPET film for solar battery, optical film, film for electrical insulating, coating PET film and so on, which has firmly established itself as one of the major suppliers of PV back-sheet base material in China.
When it comes to the supply of special thick film, it has been in short supply situation due to the explosive growth of PV industry in 2015. At present, there is just a few BOPET manufacturers which master the technology and the production process of special thick film for PV back-sheet in the market. After years of market development and the accumulation of experience in production technology, Bbetter-Film BOPET thick film has obtained the leading customers' verification and approval in terms of quality and stability.
2. Description of Transparent BOPET Film for Solar Backsheet BD10 |
Transparent, excellent electrical insulation, mechanical properties and heat resistance. Strong adhesion. 0.100mm～0.250mm film passed UL certification. Used for solar backsheet.
Item | Unit | Test Result | Test Method | |
Standard Thickness | µm | 250 | GB/T13542.2-2009 | |
Tensile Strength | MD | Mpa | 195 | |
TD | 201 | |||
Elongation at Break | MD | % | 177 | |
TD | 122 | |||
Dimension (50℃,30min) | MD | % | 1 | |
TD | 0.1 | |||
Surface Wet Tension | mN/m | 56 | ||
Power Frequency Electric Strength | V/µm | 69 | ||
Volume Resistance | Ω.m | 4.6×1014 | ||
Water Vapour Transmission Rate | g/(m2.24) | 1.4 | ||
PCT Test | — | Non Brittle | 121℃,100%RH,2atm/40h | |
PS: MD is vertical, TD is horizontal.
The above data are only for the test data of typical values, unable to be understood as the guarantee value. Typical values can be adjusted according to the requirements of customers.
3. Application of Transparent BOPET Film for Solar Backsheet BD10 |
4. Packing of Transparent BOPET Film for Solar Backsheet BD10 |
