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Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F Featured Image
  • Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

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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 Heat Shrink Busbar, Nema Fr4, Electrical Insulating Busbar, With a wide range, top quality, reasonable rates and stylish designs, our products are extensively used with this industries and other industries.
Good quality Nkn Insulation Paper - 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:

Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

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We are going to make every single effort for being excellent and excellent, and accelerate our ways for standing while in the rank of international top-grade and high-tech enterprises for Good quality Nkn Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F , The product will supply to all over the world, such as: Nairobi, Hanover, Ireland, We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of "good quality, reasonable price, the first-class service". We have been willing to build long-term, friendly and mutually beneficial cooperation with you.
    • This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Ella from El Salvador - 2017.10.23 10:29
    The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Joanne from Dominica - 2017.05.21 12:31

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