electrical insulation materials 6021 grade PET Polyester Film

Specifications electrical insulation materials 6021 grade PET Polyester Film:

1 class E

2 good dielectric property

3 high mechanical

Electrical insulation materials 6021 grade PET Polyester Film is biaxially oriented polyethelene terephthalate film   Characters of electrical insulation materials 6021 grade PET Polyester Film: It is class E(120 °C) insulating material. This product has good dielectrical and high mechanical properties.   Application of electrical insulation materials 6021 grade PET Polyester Film: It is suitable for electrical insulation, such as slot insulation, interphase insulation and liner insulation in electric motor, wrapping insulation for coils and cables, as well as producing insulating flexible composite material.    

Properties				Units	Values
Tensile strength(MD and TD)		25μm~100μm >100μm~190μm >190μm		MPa	≥150 ≥140 ≥110
Elongation at break (MD and TD)		25μm~50μm >50μm~350μm		%	≥60 ≥80
Shrinkage (MD and TD)		25~190μm >190μm		%	≤3.0 ≤2.0
Volume resistivity				Ω·M	≥1.0×1014
Relative dielectric constant   (50Hz)				/	2.9~3.4
Dielectric dissipation factor  (50Hz)				/	≤5.0×10-3
Density				kg/m3	6020	6021
					1390±10	1400+10-20
Melting point				°C	≥256
Surface resistivity				Ω	≥1.0×1013
Electrolytic corrosion	Ocular estimate			Class	A1
	Metallic conductivity tensile Strength method			%	≤2
Dimensional stability in high temp.	With tension			°C	≥200
	With pressure				≥200
The quality warranty period			Twelve months

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