H class. Features: high temperature resistant, good mechanical and electrical performance. Applicable to H class motors and electrical equipment as an insulation part.
Form I: Nominal Thickness and Allowable Tolerance
Nominal Thickness
mm
|
Allowable Tolerance
mm
|
Nominal Thickness
mm
|
Allowable Tolerance
mm
|
0.2
|
±0.07
|
5.0
|
±0.48
|
0.3
|
±0.07
|
5.5
|
±0.48
|
0.4
|
–
|
6.0
|
±0.58
|
0.5
|
±0.14
|
6.5
|
±0.58
|
0.6
|
—
|
8.0
|
±0.68
|
0.8
|
±0.14
|
10.0
|
±0.80
|
1.0
|
±0.22
|
12.0
|
±1.00
|
1.2
|
±0.22
|
14.0
|
±1.00
|
1.5
|
±0.22
|
16.0
|
±1.30
|
1.6
|
—
|
20.0
|
±1.30
|
1.8
|
±0.28
|
25.0
|
±1.50
|
2.0
|
±0.28
|
30.0
|
±1.50
|
2.5
|
±0.33
|
35.0
|
±2.00
|
3.0
|
±0.33
|
40.0
|
±2.00
|
3.5
|
±0.33
|
45.0
|
±2.20
|
4.0
|
±0.38
|
50.0
|
±2.20
|
4.5
|
±0.38
|
Form II: Properties
No.
|
Property
|
Unit
|
Value
|
||
1
|
Bending strength across layers
|
Normal Condition
|
MPa
|
≥400
|
|
150±2℃
|
≥200
|
||||
2
|
Impulse strength along layers
(Beam method)
|
kJ/m2
|
≥50(vertical)
|
||
3
|
Withstand voltage vertical to layers,(in 90℃±2℃ oil)
|
MV/m
|
See Form III
|
||
4
|
Dielectric loss factor
|
below 48Hz~62Hz
|
–
|
≤0.05
|
|
below 1MHz
|
–
|
||||
Density
|
g/cm3
|
≥1.70
|
|||
5
|
Withstand voltage parallet to layers
|
kV
|
≥30
|
||
6
|
Insulation resistance parallet to layers
|
Normal condition
|
MW
|
≥1.0×104
|
|
Absorbed in water
for 24h
|
≥1.0×102
|
||||
7
|
Volume resistivity
|
Normal condition
|
MW.m
|
≥1.0×105
|
|
Absorbed in water
for 24h
|
≥1.0×103
|
||||
180±2℃
|
≥1.0×103
|
||||
8
|
Surface resistivity
|
Normal condition
|
MW
|
≥1.0×106
|
|
Absorbed in water
for 24h
|
≥1.0×104
|
||||
180±2℃
|
≥1.0×104
|
||||
9
|
Temperature Index (TI)
|
–
|
≥180
|
Form III: Electrical strength Vertical to Layers
Thickness
mm
|
Value
MV/m
|
Thickness
mm
|
Value
MV/m
|
0.5
|
≥22
|
1.8
|
≥20
|
0.6
|
≥22
|
2.0
|
≥20
|
0.7
|
≥22
|
2.2
|
≥18
|
0.8
|
≥22
|
2.4
|
≥18
|
0.9
|
≥22
|
2.5
|
≥18
|
1.0
|
≥22
|
2.6
|
≥18
|
1.2
|
≥20
|
2.8
|
≥18
|
1.4
|
≥20
|
3.0以上
|
≥18
|
1.6
|
≥20
|