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Based on the provided technical data sheet for the PV308C solar cell backsheet, here are the key specifications and performance parameters: Product Information: Name: PV308C Solar Cell Backsheet Version: May 2022 Structure: Consists of 3 layers: air contact layer (fluorocarbon coating), middle layer (strengthening barrier PET film), and EVA contact layer (fluorocarbon coating) Air layer (fluorocarbon coating) thickness: 20±10 μm Substrate PET film thickness: 300±30 μm EVA layer (fluorocarbon coating) thickness: 8±5 μm Typical Application: Designed for packaging crystalline silicon photovoltaic modules Packaging: Provided in sheets Packaging pallet carries product name, model, batch number and batch barcode, production date, certification mark, and instructions for use Width: 985mm (customizable) Length: 200m/roll (3 x 3 on one pallet); 600m coiled material can also be provided Specifications: Outstanding bonding strength with commercially available packaging materials Suitable for various lamination processes Excellent physical & mechanical properties, insulation, barrier, weather resistance, and aging resistance Service life of more than 25 years for modules Performance Parameters: Color: White/Black Nominal Thickness: 328 μm Tensile Strength (MD): ≥ 110 MPa Tensile Strength (TD): ≥ 100 MPa Elongation at Break (MD): ≥ 100% Elongation at Break (TD): ≥ 90% Heat Shrinkage Rate (MD): ≤ 1.5% Heat Shrinkage Rate (TD): ≤ 1.0% Peeling Strength: ≥ 4 N/cm EVA Interlaminar Peel Strength: ≥ 60 N/cm Coating Adhesion: Level 0 (as per GB/T 9286-1998) System Voltage: 1500V Optical Transmittance (400-1100 nm): ≥ 85% DH1000H Test: No cracking, delamination, blistering, or pulverization; yellowing index △b ≤ 3 100 kWh UV Exposure (Air Side): Conforms to IEC61215-05 10.11 standards Please note that the information provided is based on the data available in the technical data sheet provided.

PV308C-T Solar Cell Backsheet: Unleashing the Potential of Photovoltaic Modules Introduction (100 words): The PV308C-T solar cell backsheet, developed by HUITIAN, is a game-changer in the field of photovoltaic modules. With its cutting-edge design and exceptional performance, it offers a multitude of advantages that elevate the efficiency, durability, and longevity of solar panels. In this article, we will explore the remarkable features and benefits of the PV308C-T solar cell backsheet, shedding light on why it is the ideal choice for harnessing the power of the sun. Unparalleled Transparency and Protection (200 words): At the heart of the PV308C-T solar cell backsheet lies its two highly transparent fluorocarbon coating layers. These layers, independently developed by HUITIAN, serve as the weather-resistant layer and the EVA adhesive layer, respectively. Their exceptional transparency allows for optimum light transmission, maximizing the energy conversion efficiency of the photovoltaic cells. Furthermore, the PV308C-T boasts a reinforced, biaxially oriented high barrier polyester film as its support. This innovative design provides outstanding protection against external elements, such as moisture, UV radiation, and temperature fluctuations. By acting as a robust shield, the PV308C-T ensures the long-term performance and reliability of the solar panels, even in challenging environmental conditions. Enhanced Mechanical Strength and Durability (200 words): The PV308C-T solar cell backsheet exhibits remarkable mechanical strength to withstand the rigors of installation, transportation, and operation. Its high tensile strength of over 110 MPa (MD) and 100 MPa (TD) guarantees a secure and stable bond between the layers, preventing delamination and ensuring the structural integrity of the photovoltaic modules. Additionally, the PV308C-T demonstrates exceptional elongation at break, surpassing 100% (MD) and 90% (TD). This flexibility allows the backsheet to accommodate thermal expansion and contraction, reducing the risk of cracking or blistering over time. Whether facing extreme temperatures or mechanical stress, the PV308C-T excels in maintaining its physical properties, resulting in a prolonged service life. Unrivaled Performance and Reliability (200 words): The PV308C-T solar cell backsheet is engineered to deliver exceptional performance and reliability over the long haul. Its low heat shrinkage rate of less than 1.5% (MD) and 1.0% (TD) ensures dimensional stability, preserving the integrity of the module's encapsulation and preventing the formation of air pockets or potential failure points. Moreover, the PV308C-T exhibits outstanding adhesion properties, both within the backsheet layers and with commercially available packaging materials. This seamless integration enhances the lamination process, creating a robust and durable photovoltaic module that can withstand harsh weather conditions, including high humidity and strong winds. Conclusion (100 words): The PV308C-T solar cell backsheet from HUITIAN revolutionizes the solar industry by offering unparalleled advantages for photovoltaic modules. With its highly transparent fluorocarbon coatings, reinforced polyester film support, exceptional mechanical strength, and outstanding performance in a range of environmental conditions, the PV308C-T surpasses traditional backsheet solutions. By choosing the PV308C-T solar cell backsheet, solar panel manufacturers can unlock the full potential of their products, ensuring maximum energy efficiency, durability, and longevity. HUITIAN's commitment to innovation and quality is evident in every aspect of the PV308C-T, making it the ideal choice for those seeking to harness the power of the sun while contributing to a sustainable future.

      PV308C-T solar cell backsheet offers several advantages due to its unique structural parameters and performance characteristics. Here are some key advantages of the PV308C-T solar cell backsheet:       Enhanced Weather Resistance: The PV308C-T backsheet features two highly transparent fluorocarbon coating layers as the weather-resistant layer. This design provides excellent protection against environmental factors such as moisture, UV radiation, and temperature variations. It ensures the long-term durability and reliability of the photovoltaic modules, even in harsh weather conditions.      Superior Mechanical Strength: The backsheet's biaxially oriented high barrier polyester film substrate, with a thickness of 300±30 μm, offers exceptional mechanical strength. It provides robust support to the solar cells and protects them from physical damage, such as impact or bending forces. The backsheet's tensile strength of ≥ 110 MPa in the machine direction (MD) and ≥ 100 MPa in the transverse direction (TD) further reinforces its mechanical integrity.       Excellent Adhesion: PV308C-T backsheet demonstrates outstanding bonding strength with commercially available packaging materials. This characteristic ensures a secure and reliable lamination process during module assembly. The excellent adhesion properties prevent delamination or separation of layers, enhancing the overall module performance and longevity.         Long Service Life: The PV308C-T backsheet is designed to provide a service life of more than 25 years for photovoltaic modules. Its exceptional resistance to aging and weathering ensures long-term stability and reliability in solar energy systems. The backsheet's resistance to heat shrinkage, with a rate of ≤ 1.5% in the MD and ≤ 1.0% in the TD, further contributes to its extended lifespan. Effective Electrical Insulation: With a volume resistivity of ≥ 1.0*10^13 Ω·cm, the PV308C-T backsheet offers excellent electrical insulation properties. It prevents electrical leakage and ensures the safe and efficient operation of the photovoltaic modules. The backsheet's breakdown voltage of ≥ 16 kV adds another layer of protection against electrical faults.       High Optical Transmittance: The PV308C-T backsheet exhibits high optical transmittance of ≥ 85% in the wavelength range of 400-1100 nm. This characteristic allows maximum sunlight penetration into the solar cells, optimizing the overall energy conversion efficiency of the module. The transparent nature of the backsheet also enhances the aesthetics of the solar panels. Compliance with Industry Standards: The PV308C-T backsheet complies with various industry standards, such as GB/T (Chinese National Standards) and IEC (International Electrotechnical Commission) standards. This compliance ensures that the product meets quality and performance requirements, providing reassurance to manufacturers and end-users alike.       In summary, the PV308C-T solar cell backsheet offers significant advantages for photovoltaic module packaging. Its enhanced weather resistance, superior mechanical strength, excellent adhesion properties, long service life, effective electrical insulation, high optical transmittance, and compliance with industry standards make it a reliable and high-performance solution for solar energy applications.  

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