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BOPP 电容膜粗化膜

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BOPP clear rough film for capacitors
Features:

Impulse a deep-rough treatment into single side or double sides on the surface of the film in order to form some certain concave ,then let the film be characteristic even roughness ,low dielectric loss, and high dielectric strength and good compatibility with kinds of Dipping Oil but with small Swelling.

Mainly used for Baptist paper composite membrane oil medium or total capacitor dielectric film Baptist Oil: such as high-voltage capacitor and capacitor for electric induction heating system,etc.

Specification:

Thickness: 6UM—15UM

■ Technical Characteristics （typical value）

		Unit	Typical Values	Test conditions
Tensile strengh	TD	Mpa	140	Stretching speed 100mm/min @23℃，50％r.h.
Tensile strengh	TD	Mpa	200
Elongation at break	MD	%	150
Elongation at break	TD	%	50
Thermal shrinkage	MD	%	3.5	15 min @ 120℃
Thermal shrinkage	TD	%	1.5	15 min @ 120℃
Space factor	Average	%	9.0（6～9μm） 10.0（10～18μm）	23℃
Space factor	Limited	%	Max 15 Min 6	23℃
Surface roughness		μm	0.25—0.65	23℃
BDV X(DC)		V/μm	520	at 23℃ air
Relative permittivity			2.2	50Hz or 1kHz @23℃
Volume resistivity		Ω.m	5.0×1015	23℃
Dielectric dissipation factor(tan delta)			2×10-4	50Hz or 1kHz @23℃

■ Dimensions & specifications:

Thickness	MMV	μm	6	8	9	10	11	12	13	14	15	18
Thickness	WMV	μm	5.5	7.4	8.3	9.2	10.2	11.0	11.9	12.8	13.7	16.5
Tolerance	Average	%	±3
Tolerance	Individual	%	±9				±7				±5
Final film roll width		mm	40～700 or to slit according to customers' reguest
Inner diameter		mm	76.2 , 152.4

Note：nusual specifications can be negotiated and specified additionally

BOPP 电容膜粗化膜

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