Milky White Polyester Film for Electrical Insulation

6021 Milky White Polyester Film laminates is several layers composite material,one layer polyester film is bonded on another layer polyester film.

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Description:

6021 Milky White Polyester Film laminates is several layers composite material,one layer polyester film is bonded on another layer polyester film. Its main raw material is polyester resin. 6020 is a transparent film, 6021 is a milky white film.

Characteristics:

The product has good insulation property, anti-aging property, low shrinkage and high heat-resistance properties.

Application:

Milky White Polyester Film can be used in liner insulation in high voltage coil.

Technical parameters:

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