백시트는 외부 환경으로부터 태양광 모듈의 후면을 보호하는 필름입니다. SKC는 백시트를 만드는 데 필요한 불소필름(PVDF), PET필름, 접착제를 모두 자체 생산하고 있으며, 우수한 품질과 경쟁력을 보증합니다.
제품 | 특성 |
---|---|
FPF (BF3GW) | Color : White/Black | Structure : PVDF/PET/PVDF | Thickness (micron) : 315 |
FPE (BF3GE) | Color : White/Black | Structure : PVDF/PET/PE | Thickness (micron) : 330 |
PPE42 (BQ3RE42) | Color : White/Black | Structure : PET/PET/PE | Thickness (micron) : 416 |
PPE30 (BQ3RE30) | Color : White/Black | Structure : PET/PET/PE | Thickness (micron) : 301 |
PPE38 (BQ3RE38) | Color : White/Black | Structure : PET/PET/PE | Thickness (micron) : 381 |
PPE25 (BQ3RE25) | Color : White/Black | Structure : PET/PET/PE | Thickness (micron) : 244 |
Co-Extrusion (BX2RE) | Color : White/Black | Structure : PET/PE | Thickness (micron) : 238 |
Type | Property | Test Method | |||||
---|---|---|---|---|---|---|---|
Type | Unit | FPE | PPE30 | PPE42 | Co-Extrusion | ||
Structure | PVDF/PET/PE | PET/PET/PE | PET/PET/PE | PET/PE | |||
Color(Air/Cell side) | W/W, W/B | W/W, W/B | W/W, W/B | W/W, W/B | W(White) B(Black) | ||
Thickness | µm | 330 | 301 | 416 | 238 | SKC Method | |
Tensile Strenth |
MD | N/mm | >30 | >30 | >40 | >25 | ASTM D 882 |
TD | N/mm | >35 | >40 | >50 | >25 | ||
Elongation | MD | % | >100 | >100 | >100 | >100 | |
TD | % | >80 | >80 | >80 | >80 | ||
heat shrinkage |
MD | % | >1.5 | >1.5 | >1.5 | >1.5 | ASTM D 1204 (150°C 30min) |
TD | % | >1 | >1 | >1 | >1 | ||
Adhesive Strength(EVA) | N/mm | >60 | >60 | >60 | >60 | JIS K6854 | |
Adhesive Strength(layer) | N/mm | >4 | >4 | >4 | >4 | ||
WVTR | g/m2 Day | <1 | <1 | <1 | <1 | ASTM F1249 | |
Breakdown Voltage | kV | >20 | >20 | >20 | >20 | ASTM D149 |