TF10-Solar energy back film--Nanjing Lan Po Industrial Co

● Product Name：Base film solar battery back
● Product Type：TF10
● 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 performance parameters

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		%	≥70	≥70	≥70	≥70	GB/T 2410-2008
Tensile strength	MD	Mpa	≥170	≥160	≥150	≥140	GB/T 1040.3-2006
Tensile strength	TD	Mpa	≥170	≥160	≥150	≥140	GB/T 1040.3-2006
Tensile Strength	MD	%	≥90	≥90	≥90	≥90	GB/T 1040.3-2006
Tensile Strength	TD	%	≥90	≥90	≥90	≥90	GB/T 1040.3-2006
Heat Shrinkage 150℃30min	MD	%	≤1.5	≤1.5	≤1.5	≤1.5	GB/T 16958-2008
Heat Shrinkage 150℃30min	TD	%	≤1.5	≤1.5	≤1.5	≤1.5	GB/T 16958-2008
Surface tension（Duplex）		mN/m	56	56	56	56	GB/T 14216-2008
PCT（2kgSteam pressure）		hr	≥48	≥48	≥48	≥48	-
Frequency electric strength		g/(m2.24h)	≤2.5	≤2.0	≤1.8	≤1.5	GB/T 1037-1988
Partial discharge voltage		V/μm	≥105	≥90	≥80	≥65	GB/T 12802.2-2004
Partial discharge voltage		VCD	≥710	≥750	≥810	≥1000	IEC 60664-1-2007