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Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F Featured Image
  • Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

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Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F Detail:

D279 is made from DMD and special epoxy heat resistant resin. It has the characteristics of long storage life,  low curing temperature and short curing time. After being cured, it has excellent electrical properties, good adhesive and heat resistance.The heat resistance is Class F. It is also called as Prepreg DMD, pre-impregnaed DMD, flexible composite insulation paper for dry transformers.

D279 DMD(1)
D&F D279 pre-impregnated DMD

Product Features

D279 epoxy pre-impregnated DMD has excellent electrical properties, good adhesive and heat resistance.

Applications

D279 epoxy pre-impregnated DMD is used for layer insulation or liner insulation of low-voltage copper/ aluminum foil winding in dry-type transformers as well as slot insulation and liner insulation in Class B and F electric motors and electric appliances. It is also called as Prepreg DMD, Prepreg insulation composite paper for dry type transformers.

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D279 epoxy prepreg DMD
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Supply Specifications

Nominal width：1000 mm.

Nominal weight: 50±5kg /Roll.

The splices shall not be more than 3 in a roll.

Color: white or red color.

Appearance

Its surface should be flat, free of uneven resin and impurities affecting performances. While being de-coiled, its surface shall not be conglutinated each other. Free of such defects such as creases, bubbles and wrinkles.

Packing And Storage

D279 should be wrapped with plastic film then put in clean & dry carton

The storage life is 6 months at temperature of below 25℃ after leaving factory. If the storage duration is over 6 months, the product can still be used when being tested to be qualified. The product should be put and/or stored upright and keep away from fire, heat and direct sunshine.

Technical Performances

The standard performance values for D279 epoxy pre-impregnated DMD are shown in table 1 and the typical values are shown in table 2.

Table 1:  Standard Performance value for D279 epoxy Prpreg DMD

No. Properties Unit Stand values
1 Nominal thickness mm 0.16 0.18 0.20 0.23 0.25
2 Thickness tolerance mm ±0.030 ±0.035
3 Grammage (for reference) g/m2 185 195 210 240 270
4 Tensile strength (MD) N/10mm ≥70 ≥80 ≥100
5 Dissolvable resin content g/m2 60±15
6 Volatile content % ≤1.5
7 Dielectric strength MV/m ≥40
8 Shear strength under tension MPa ≥3.0

Table 2:  Typical performance values for D279 epoxy Prepreg DMD

No. Properties Unit Typical values
1 Nominal thickness mm 0.16 0.18 0.20 0.23 0.25
Thickness tolerance mm 0.010 0.015
2 Grammage (for reference) g/m2 186 198 213 245 275
3 Tensile strength (MD) N/10mm 100 105 115 130 180
4 Dissolvable resin content g/m2 65
5 Volatile content % 1.0
6 Dielectric strength MV/m 55
7 Shear strength under tension MPa 8

Application and Remarks

Recommended curing conditions

Table 2

Temperature（℃） 130 140 150
Curing time（h） 5 4 3

Production Equipment

We have two lines, the production capacity is 200T/month.

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Product detail pictures:

Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

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Gaining purchaser gratification is our company's aim eternally. We're going to make great initiatives to create new and top-quality products, satisfy your exclusive prerequisites and supply you with pre-sale, on-sale and after-sale solutions for Excellent quality Pet Film Nomex Paper Flexible Composite - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F , The product will supply to all over the world, such as: Morocco, United Arab emirates, Karachi, Look forward to the future, we'll focus more on the brand building and promotion . And in the process of our brand global strategic layout we welcome more and more partners join us, work together with us based on mutual benefit. Let's develop market by fully utilizing our in depth advantages and strive for building.
    • The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
    5 Stars By Andrew Forrest from Ukraine - 2018.07.12 12:19
    Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Raymond from Oman - 2018.05.22 12:13

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