Epoxy Resin Prepreg DMD
Properties and Application:
Prepreg DMD is made by the process of pre-curing the modified F-class DMD with Impregnation of Hi-temp resistant B-stage Epoxy resin by baking, with long shelf life at room temp, low pre-curing temp & time, excellent electrical insulation, bonding and heat-resistant properties.
Prepreg DMD is made by the process of pre-curing the modified F-class DMD with Impregnation of Hi-temp resistant B-stage Epoxy resin by baking, with long shelf life at room temp, low pre-curing temp & time, excellent electrical insulation, bonding and heat-resistant properties.
Its thermal Glass is F, widely used for liner insulation of copper foil (aluminum foil)-wrapped Low voltage coils in dry-type transformer and slot insulation & phase insulation in B~F class Motor & electrical appliances.
Properties
| Unit | Values | ||||
| Nominal thickness | mm | 0.18 | 0.20 | 0.23 | 0.25 | 0.37 |
| THK Tolerance | mm | ±0.03 | ±0.035 | ±0.04 | ||
| Tensile strength MD No bending | N/10mm | ≥70 | ≥80 | ≥100 | ≥120 | |
| Soluble Resin content | g/m2 | 60±15 | ||||
| Volatile Content | % | ≤1.5 | ||||
| Dielectric Strength | MV/m | ≥40 | ||||
| Shear Strength | MPa | ≥3.0 | ||||
| Appearance | Neat and smooth surface, No obvious non-uniform resin, No inclusions against quality, No surface damage at unreeling. No bubbles, folding damage etc. | |||||
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