DFD 250 V-0 Grade Black Polyester Film for Battery

Basic Info

Model NO.	DFD250
Transport Package	Pallet
Specification	RoHS
Trademark	DONGFANG
Origin	China
HS Code	39206200
Production Capacity	1000ton/Year

Product Description

Sichuan Dongfang Insulating Material, make common and flame retardant (VTM_0, VTM-2) black polyester film. D250, D253 and DFD250B are biaxial oriented black polyethylene terephthalate (PET) film through melting, casting and stretching.

Type D250 ------ Appearance is glossy.
Type D253 ------ Appearance is matte.
Type DFD250---Flame retardant, VTM-2 and VTM-0 are available

Application:
-Adhesive tapes
-Electrical insulation
-Loudspeakers
-Musical instrument

1. Appearance:
The film is supplied in rolls. Its surface should be flat and smooth, and should be free of defects such as wrinkles, avulsions, particulate matter, blisters, pinholes and contaminations. Edges of rolls should be tidy and clean.

2. Dimension
2.1 Thickness and Tolerance: Recommended nominal thickness as following:
50um,75um, 100um, 125um, 188um, 250um.
50um~100um Tolerance +/-5%
>100um~250um Tolerance +/-4%
Special requirements for thickness could be settled upon negotiation.

2.2 Numbers of splice and minimum length: No splice in a roll.

2.3 Physical properties: Physical properties are as shown in blow table:

Properties			Units		50um		75um		100um		125um		188um		250um	Test Method
MD	MPa	200		200		200		195		175		175		GB/T 13542.2-2009
TD	MPa	190		195		195		185		175		170
MD	%	1.3		1.3		1.3		1.3		1.4		1.4		GB/T 13542.2-2009
TD	%	0.2		0.2		0.2		0.2		0.3		0.3
MD	%	110		117		123		125		130		135		GB/T 13542.2-2009
TD	%	120		125		129		130		130		140
Dielectric Dissipation Factor			V/um		190		165		145		140		120		95	GB/T 13542.2-2009
Light Transmissivity			%		0.8		0.8		0.8		0.8		0.8		0.8	Q-Standard
Glossiness			%		40		40		40		40		35		35	ASTM D2457
Thermal Resistance					E											_
Storage Life					The Storage Life is 18 months at lower than 40 degree after leaving factory. The product should be stored in warehouse which is dry and clean as well as keep away from fire, heat and directly sunshine.
Standard applied					Q/DJ11-131-2011
Character and Applications					This film has excellent coverage of black,the colour is even and persistent,good electrical insulating properties.D250's appearance is shining, D253's appearance is matte.It has gained SGS certificate in accordance with the RoHS Directives.It is used for adhesive tapes, electrical insulation, loudspeakers, musical drums, etc.
Remarks					Avoid crackles, scratches, contamination of dust and oil while being slit and/or used.