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HOME » Electrical Materials » DMD Epoxy Prepreg Material 6440

DMD Epoxy Prepreg Material 6440

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Description:DMD coated with F-class epoxy modified resin then formed by baking and semi-curing, this material can be quickly cured at high temperatures,

firmly bonded with transformer copper foil.

No low-molecular volatile matter when drying and curing in formation of very small shrinkage insulating structure.

Application: Products are widely used in dry-type transformer coil layer insulation, can also be used for Class F motor slot insulation and phase insulation.

No. Projects Unit

Value

1 Thickness mm

0.15

2 Thickness tolerance mm

±0.02

3 Tensile strength( lengthwise no bending) N/10mm

≥70

4 Soluble resin content G/㎡

≥45

5 Volatile content %

≤1.5

6 Breakdown voltage KV

≥7.0

7 Tensile shear strength MPa

≥3.0

8 Tempeature index  

≥155

Notice: Can also negotiate if customer have special requirements,
Ztelec Group