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Polyester Film for Electrical Insulation

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Specifications

6020/6021 polyester film is biaxially oriented polyethylene terephthalate (PET)film.6020 is transparent film,6021 is milky white.

Thermal class: E(120℃) Gauge(um): 36-250

Characteristics: flat, low shrinkage, excellent insulation properties, UL approved

Usage: Electronic and electrical insulation, such as slot insulation, interphase insulation and liner insulation in electric motors, wrapping insulation for coils and cables, as well as producing insulating flexible composite material.

Properties		Unit NO.	1#	2#	3#	4#	5#	6#	7#	8#	Test method
Thickness		μm	36	50	75	100	125	150	188	250	GB12802.2
Tensile Strength	MD	Mpa	200	200	182	185	175	170	172	180	GB12802.2
Tensile Strength	TD	Mpa	210	198	198	190	186	206	185	200	GB12802.2
Elongation at break	MD	%	115	125	115	120	150	130	150	148	GB12802.2
Elongation at break	TD	%	105	130	110	102	110	100	110	109	GB12802.2
Shrinkage	MD	%	1.3	1.4	1.3	1.3	1.4	1.4	1.5	1.8	GB12802.2
(150℃30min)	TD	%	0.8	0.8	0.9	0.8	1.0	1.0	1.0	1.5	GB12802.2
Breakdown voltage		V/μm	220	188	165	145	126	123	104	92	GB12802.2
Volume resistivity		Ω.m	1.0×10¹⁴	1.0×10¹⁴	1.0×10¹⁴	1.0×10¹⁴	1.0×10¹⁴	1.0×10¹⁴	1.0×10¹⁴	1.0×10¹⁴	GB12802.2
Ralative dielectric constant(48Hz-62Hz)			3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0	GB12802.2
Ralative dielectric constant(48Hz-62Hz)			3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0	GB12802.2
Dielectric loss tangent(48Hz-62Hz)			2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	GB12802.2
Dielectric loss tangent(48Hz-62Hz)			2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	2.8×10^-3	GB12802.2
Haze		%	10.0	14.0	20.0	25.0	28.0	30.0	35.0	40.0	GB2410
Light Transmittance		%	66	60	52	39	35	31	29	26	GB2410
Gloss(45)°		%	98	90	84	80	76	76	74	70	GB8807
Density		g/cm³	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	GB12802.2

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