Composite PV Backsheet
INTRODUCTIONCharacteristics
Light Weight
Flexible
High Strength
Corrosion Resistant
Application
Applicable to flexible photovoltaic modules and portable photovoltaic modules.
Technical Parameters
| Test Item | Typical Values | ||
| Mechanical Properties | Room Temperature | 85℃ 85%RH, 1000h | PCT48H |
| Tensile Strength 0° | 323Mpa | 306Mpa | 313Mpa |
| Tensile Modulus 0° | 17Gpa | 17.6Gpa | 18.2Gpa |
| Fracture Strain | 1.9% | 1.6% | 1.9% |
| Functional Performance | |||
| HDT | 161.2℃ | ||
| Breakdown Voltage | 26.38KV | ||
| Partial Discharge | 1820V | ||
| Volume Resistivity | 3.579*1013Ω·m | ||
| Reflectivity(White) | ≥50%(400-1100nm) | ||
| Water Vapor Transmission(Infrared Sensor Method) | ≤1.0g/(M2·d)(38℃，90%RH) | ||
| POE Film Adhesion | Room Temperature 91N/cm, PCT24H 43N/cm | ||
| Wet Leakage(Water temperature 22±2℃，Resistivity≤3500Ω/cm | Room Temperature＞99GΩ, PCT24H 28GΩ | ||
| Thermal Aging Performance(160℃ 6h) | The tensile performance retention rate＞90% | ||
| UV Aging Resistance Performance(200kW·h) | The tensile performance retention rate＞90% | ||
Product Specification
| Gram Wegith | Thickness | Color | Form | Width Option | Maximum Roll Weight |
| 870-930gsm | 0.6±0.1mm | Natural and Black | Rolls and Sheets | 50mm-2600mm, custormized | 1570kg |
| Application | |||||
| The surface is coated with paint, suitable for both roll coating process and screen printing processes. | We provide fumctional photovoltaic abck panel according to customer requirements, such as V0 flame reardant. | ||||