Product Main

Specifications

Temperature classification is H. High heat resistance and excellent mechanical property. Used as slot and wedge for Class H pulling motors and huge motors as well as insulating structural parts with heat resistance for top-technical apparatus.

Table 1:Nominal thickness and tolerance

Nominal thickness
 mm
Normal Value
mm
 
Nominal thickness mm
Normal Value
 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
4.0
±0.38
50.0
4.5
±0.38
 
 
Note: 1. The other tolerances are negotiated by customer and supplier.
2. The tolerance of preferred thickness should adopt the bigger one if the one of preferred thickness for nominal thickness is not listed in the table.
3. Normal dimension: 960±15mm×1460±15mm、960±15mm×1960±15mm

 
Table 2:Technical requirements

No.
Properties
Unit
Normal Value
1
Flexural strength perpendicular to layer
At room temperature
MPa
≥400
150±2℃
≥280  (180±2℃)
2
Impact strength parallel to layer (Charpy method)
kJ/m2
≥50
3
Voltage resistance, perpendicular to the layer(at 90℃±2℃ oil.)
 
Refer to table 3
4
Dissipation factor
Under 48Hz~62 Hz
≤0.05
Under 1MHz.
-
5
Voltage resistance parallel to layer(at 90℃±2℃ oil for 1min)
kV
≥30
6
Volume resistivity
At room temperature
MW
≥1.0×105
Immersing in water for 24h
≥1.0×103
180℃±2℃
≥1.0×103
7
Surface resistivity
At room temperature
MW
≥1.0×106
Immersing in water for 24h
≥1.0×104
180℃±2℃
≥1.0×104
8
Bonding strength
N
≥180