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3260 200 grade glass fabric laminated sheet
Characteristics and application: Excellent electricmechanical and high temperature resistance properties. Used for insulating parts processing of 200 grade high temperature resistance electric machineapparatus such as wind generatordynamic vehiclefrequency Motor.
Standard: Q/XB3138-2008
Normal dimension: 960±15mm×1460±15mm960±15mm×1960±15mm
Table 1: Properties requirements
No | Properties | Unit | Nominal thickness used for test mm | Requirements | Remarks | |
1 | Flexural strength, perpendicular to layer | At room temperature | MPa | ³1.5 | ³400 | 200±5 Tested after being baked for 1h at 200±5 |
200±5 | ³300 | |||||
2 | Impact strength, parallel to the layer | Simply supported beam method | kJ/ | ³5 | ³70 | It is possible if one of the both is conform with this requirement |
Cantilever beam method | ³54 | |||||
3 | Electric strength, perpendicular to the layer, at 90 oil | kV/mm | £3 | Refer to table 4 |
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4 | Breakdown voltage, perpendicular to layer, at 90 oil | kV | ³3 | ³40 |
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5 | Insulation resistance after immersing in water | W | All | ³1.0×108 |
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6 | Water absorption | mg | All | Refer to table 5 |
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Table 2: Electric strength, perpendicular to the layer
Mean thickness mm | Electric strength kV/mm | Mean thickness mm | Electric strength kV/mm | Mean thickness mm | Electric strength kV/mm |
0.8 | ³15.0 | 1.8 | ³11.6 | 2.6 | ³10.2 |
0.9 | ³14.6 | 2.0 | ³11.2 | 2.8 | ³10.1 |
1.0 | ³14.0 | 2.2 | ³10.8 | 3.0 | ³10.0 |
1.2 | ³13.2 | 2.4 | ³10.5 |
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1.5 | ³12.0 | 2.5 | ³10.4 |
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Table 3: Water absorption
Mean thickness mm | Water absorption mg | Mean thickness mm | Water absorption mg | Mean thickness mm | Water absorption mg |
0.8 | £60 | 3.0 | £80 | 12.0 | £140 |
1.0 | £64 | 4.0 | £87 | 14.0 | £153 |
1.2 | £66 | 5.0 | £93 | 16.0 | £166 |
1.5 | £71 | 6.0 | £100 | 20.0 | £193 |
2.0 | £74 | 8.0 | £113 | 25.0 | £227 |
2.5 | £77 | 10.0 | £127 | Processed by one side to 22.5 | £250 |
3260 200 grade glass fabric laminated sheet