● Product Name:Base film solar battery back
● Product Type:TF11
● Product Specifications
Conventional thickness |
Width |
Core size |
125~250μm |
≥500mm |
Φ76.2/152.4mm |
● Product Features:
☆ Translucent, good dimensional stability;
☆ Excellent mechanical properties, heat resistance, electrical insulation properties;
☆ Water vapor transmission rate;
☆ Good processability compound;
● Product Features
ITEM |
Unit |
Specifications Typical |
Test Method | ||||
Standard thickness |
μm |
125 |
150 |
188 |
250 |
GB/T 6672-2001 | |
Density |
g/cm3 |
1.40 |
1.40 |
1.40 |
1.40 |
GB/T 14335-2008 | |
Transmittance |
% |
≤65 |
≤65 |
≤65 |
≤65 |
GB/T 2410-2008 | |
Haze |
% |
≥90 |
≥90 |
≥90 |
≥90 |
GB/T 2410-2008 | |
Elongation |
MD |
Mpa |
≥170 |
≥160 |
≥150 |
≥140 |
GB/T 1040.3-2006 |
TD |
≥170 |
≥160 |
≥150 |
≥140 | |||
Tensile Strength |
MD |
% |
≥90 |
≥90 |
≥90 |
≥90 |
GB/T 1040.3-2006 |
TD |
≥90 |
≥90 |
≥90 |
≥90 | |||
Heat Shrinkage |
MD |
% |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
GB/T 16958-2008 |
TD |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 | |||
Surface tension(Duplex) |
mN/m |
56 |
56 |
56 |
56 |
GB/T 14216-2008 | |
PCT(2kgSteam pressure) |
hr |
≥60 |
≥60 |
≥60 |
≥60 |
- | |
Water vapor transmission |
g/(m2.24h) |
≤2.5 |
≤2.0 |
≤1.8 |
≤1.5 |
GB/T 1037-1988 | |
Frequency electric strength |
V/μm |
≥105 |
≥90 |
≥80 |
≥65 |
GB/T 12802.2-2004 | |
Partial discharge voltage |
VCD |
≥710 |
≥750 |
≥810 |
≥1000 |
IEC 60664-1-2007 |