6021 Polyester Film

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6021 Polyester Film

Features: Heat-resistant class is E, it is a transparent film, transparency, good flexibility, high mechanical properties and dielectric properties, this product has uniform thickness, shiny surface .

Applications: For low-voltage motors, electrical coils turn insulation, ends wrapping insulation, liner insulation, magnetic wire insulation, capacitor dielectric slot insulation of E and B class motor, For cable wrapping, transformers and composite materials making. 




Insulation film technical value

No
Item
Unit
Value
6020/6021
6050/6051
6240/6050J
1
Density
g/cm3
1.39±0.10
≥1.40
—
2
Melting point
℃
≥256
—
—
3
Tensile strength
MPa
15-100µm
≥150
≥100
≥58
＞100-190µm
≥140
＞190µm
≥110
4
Elongation
％
≥40～80
≥25Lengthwise
≥20 Crosswise
≥25
5
Thermal Shrinkage
％
≤3.5～2.0
—
—
6
Volume resistivity
MΩ.m
≥1.0×108
≥1.0×107(20℃)
≥1.0×104(200℃)
1.1×107
7
Relative permittivity (103HZ)
2.9～3.4
≤4  Power frequency
—
8
Dielectric loss
Power frequency
103HZ
≤5.0×10-3
≤0.01
—
≤6.0×10-3
—
—
9
Dielectric strength
V/µm
≥250-50
thickness(6µm～350µm)
≥100(60)(20±5℃)
≥80(48)(200℃)
≥70
10
Bonding strength
N/10mm
—
—
≥1.47

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