Complaint
1. TPT solar backsheet: TPT is a polyvinyl fluoride composite film. Strictly speaking, TPT refers to a three-layer composite film of Tedlar+PET+Tedlar made of DuPont Tedlar.
Tensile strength(MD)(N/mm²) | GB/T 13542.2-2009 | ≥120 |
Tensile strength(TD)(N/mm²) | GB/T 13542.2-2009 | ≥120 |
Elongation at break(MD)(%) | GB/T 13542.2-2009 | ≥100 |
Elongation at break(TD)(% | GB/T 13542.2-2009 | ≥90 |
Heat shrinkage rate150ºC×30min(MD)(%) | GB/T 13542.2-2009 | ≤1.0 |
Heat shrinkage rate150ºC×30min(TD)(%) | GB/T 13542.2-2009 | ≤1.0 |
Interlaminar peeling strength(N/10mm) | GB/T 2790-1995 | ≥4 |
Bond strength with EVA((initial)(N/10mm) | GB/T 2790-1995 | ≥60 |
Bond strength with EVA (85ºC*85%RH, 1000h)(N/10mm) | GB/T 2790-1995 | ≥40 |
Breakdown voltage(kV) | GB/T 13542.2-2009 | ≥18 |
Partial discharge voltage(VDC) | IEC 60664-1-2007 | ≥1500 |
WUTR(g/m²·d) | GB/T 26253-2010 | ≤2.5 |
Aging Test | ||||
Hygrothermal aging resistance test (85ºC*85%RH, 2000h) | IEC TS 62788-2 | No stratification, no bubbles, Δb≤2 | ||
Xenon lamp aging test(2000h) | IEC TS 62788-2 | No stratification, no foaming, no folding, Δb≤2 | ||
Boiling water treatment(boiled for 24h) | Visual inspection | GB/T 17748-2008 | No stratification, no foaming, no folding, no shedding, no pulverization | |
Interlaminar peeling strength(N/10nm) | GB/T 2790-1995 | ≥4 | ||
Q:What's your payment terms?
A:T/T,L/C,Paypal,Western Union etc.
Q:What are the advantages of your company?
A:We are a factory, and we also cooperate with other brands,such as Longi,JA solar,Jinko,Trina,Canadian Solar,GCL,SUNTECH,Yingli etc., to provide customers with better prices and more choices.
Q:May I have a piece of sample to check the quality?
A:Welcome to place the testing order to check the quality or for testing.
Q:How about the delivery time?
A:15-20 days after receiving your payment.
The specific delivery time depends on the items and the order quantity.
Q:Where is the port of loading?
A:Shanghai,Ningbo.
