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DMD Epoxy Resin Preimpregnated Material

Application: 
1. Insulation: Class-F/H
2. Producing procedure: Epoxy Resin Preimpregnated DMD is made by mylar and non-woven soft composite material immersed in class F resin.
3. Its temperature classification is F, High electrical and mechanical properties.
4. DMD epoxy preimpregnated material is idely used in insulation between layers of low voltage coil of dry type transformer and as the slot insulation and insulation between phases for F-grade motors.

Pre-pregnated DMD Technical Characteristics

No Item Unit Normal Value
1 Nominal thickness mm 0.16 0.18 0.20 0.23 0.25
2 Thickness tolerance mm ±0.030 ±0.035
3 Density(±10%) g/m2 195 220 245 275 315
4 Tensile strength Crosswise    N/10mm ≥40 ≥70 ≥80 ≥100 ≥120
5 Electric Strength MV/m ≥40
6 Resin content % 35±5 30±5
7 Volatile content % ≤1.5
8 soluble resin % ≥90
9 shear strength MPa ≥5.0
10 Temperature index ≥155℃
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