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2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F Featured Image
  • 2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • 2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • 2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • 2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • 2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

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The corporation upholds the philosophy of "Be No.1 in high quality, be rooted on credit rating and trustworthiness for growth", will continue to serve outdated and new consumers from home and overseas whole-heatedly for copper braid flexible bus bar, High Temperature Epoxy Sheets, composite bus bar, Now now we have recognized steady and long organization relationships with customers from North America, Western Europe, Africa, South America, extra than 60 countries and regions.
2022 Good Quality Dmd 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:

2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Related Product Guide:
continue to enhance, to be certain solution top quality in line with market and buyer standard requirements. Our corporation has a excellent assurance program are actually established for 2022 Good Quality Dmd Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F , The product will supply to all over the world, such as: Madrid, Mongolia, Sevilla, We welcome you to visit our company & factory and our showroom displays various products and solutions that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to supply you with the best services. If you will need more information, please do not hesitate to contact us via E-mail, fax or telephone.
    • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Sophia from Switzerland - 2017.04.28 15:45
    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Lorraine from Barcelona - 2017.03.28 12:22

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