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BMI glass cloth laminateds, epoxy pre-impregnated DMD laminates
9334 BMI glass cloth laminateds sheet
   

It is created from electrical glass cloth with alkali-free that has been impregnated with BMI resin under pressure. heat and rolling. The thermal grade is class H insulation. With excellent mechanical strength and dielectric property, radiation-proof. Used for the insulating slots. windings. gaskets. junction board of the dry-type transformer/mine transformer/railway transformer/electrical equipment/traction motor etc.
BMI glass cloth laminateds, epoxy pre-impregnated DMD laminates

Sheets: thickness 0.5-200mm size:1000X2000mm

Technical data

No Specification Unit Index

1 Density g/cm2 >= 1.80

2 Marin temperature, lengthwise oC >= 280

3 Flexural strength, At room temperature Mpa >= 343.1

lengthwise 180 oC >= 176.5

4 Bonding strength N >= 4900

5 Impact strength, lengthwise KJ/ M2 >= 147
Surface At room temperature >= 1.0X10 6

6 resistively After wet M Ω m >= 1.0X10 4
180 oC >= 1.0X10 4
At room temperature >= 1.0X10 5

7 Volume resistively After wet M Ω m >= 1.0X10 3
180 oC >= 1.0X10 3

8 Dissipation factor <= 0.05
Electrical strength perpendicular 0.5-1mm >= 22

9 to lamination in transformer oil at 1.2-2mm MV/m >= 20
90 oC 2.1-3mm >= 18

10 Insulation resistivity para At room
llel to lamination temperature >= M Ω >= 1.0X10 4
After wet >= 1.0X10 2

11 Breakdown voltage parallel to lamination in KV >= 30
transformer oil at 90 oC+- 2 oC
BMI glass cloth laminateds, epoxy pre-impregnated DMD laminates

   
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