Slot and coil insulation of motor, Separate insulating base material between the coils of dry transformer etc.
Slot and coil insulation of motor, Separate insulating base material between the coils of dry transformer etc.
Item
Unit
Value
Test method
Thickness
µm
100
125
150
188
200
250
300
350
GB12802.2-2004
Tolerance
%
±3
±3
±3
±4
±4
±5
±5
±5
GB12802.2-2004
Tensile
MD
Mpa
≥190
≥180
≥170
≥150
≥150
≥150
≥140
≥130
GB12802.2-2004
TD
Elongation at break
MD
%
≥90
≥90
≥100
≥100
≥100
≥100
≥130
≥120
GB12802.2-2004
TD
Heat shrinkage （150℃,30min）
MD
%
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
GB12802.2-2004
TD
≤0.5
≤0.5
≤0.5
≤0.5
≤0.5
≤0.6
≤0.6
≤0.6
GB12802.2-2004
Ligth transmittance
%
≥16
GB2410-80
Haze
%
≥30
≥30
≥40
≥45
≥50
≥50
≥50
≥50
GB2410-80
Electrical strength
V/µm
≥90
≥80
≥75
≥66
≥64
≥60
≥55
≥50
GB12802.2-2004
Volume resistivity
Ω.m
≥1×1014
GB12802.2-2004
Dielectric loss tangent
50Hz
≤3×10-3
GB12802.2-2004
Item
Unit
Value
Test method
Thickness
µm
100
125
150
188
200
250
300
350
GB12802.2-2004
Tolerance
%
±3
±3
±3
±4
±4
±5
±5
±5
GB12802.2-2004
Tensile
MD
Mpa
≥190
≥180
≥170
≥150
≥150
≥150
≥140
≥130
GB12802.2-2004
TD
Elongation at break
MD
%
≥90
≥90
≥100
≥100
≥100
≥100
≥130
≥120
GB12802.2-2004
TD
Heat shrinkage （150℃,30min）
MD
%
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
GB12802.2-2004
TD
≤0.5
≤0.5
≤0.5
≤0.5
≤0.5
≤0.6
≤0.6
≤0.6
GB12802.2-2004
Ligth transmittance
%
≥16
GB2410-80
Haze
%
≥30
≥30
≥40
≥45
≥50
≥50
≥50
≥50
GB2410-80
Electrical strength
V/µm
≥90
≥80
≥75
≥66
≥64
≥60
≥55
≥50
GB12802.2-2004
Volume resistivity
Ω.m
≥1×1014
GB12802.2-2004
Dielectric loss tangent
50Hz
≤3×10-3
GB12802.2-2004
