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Description: Polyimide Fiberglass Laminate Sheet has high mechanical strength, heat resistance and dielectric properties, permeability, radiation resistance, flame resistance, used for H-class motor, electrical insulation components.

Standard Applied: GB  
Basic info. Chinese name 352
Basic material  
Resin Polyetherimide
Color white
No. Test item Unit  
1 Density g/m³  
2 Vertical layer bending strength 
MPa ≥300
3 Parallel layer impact strength
 (simply supported beam method)
KJ/m2 ≥38
4 Vertical layer electrical strength
(90℃transformer oil)(1mm thickness)
Kv/mm ≥14.0
5 Parallel layer breakdown voltage
(90℃transformer oil)
kv ≥40
6 Dielectric constant (50Hz) ≤5.5
7 Dielectric loss factor(50Hz) ≤0.05
8 Insulation resistance after immersion Ω ≥1.0*1010
9 Proof tracking   index(PTI) ≥300
10 Combustibility  
11 Temperature index, 180
12 Water absorption
(1)(1-20mm thickness)
mg 64-193
Note:(1)Range values are measured for different thicknesses