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Wholesale Price Insulatiing Paper For Electric Motor - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

Wholesale Price Insulatiing Paper For Electric Motor - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

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We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for Drive Systems And Power Supplies, 6643 Dmd, Hgw2372.4, We warmly welcome all intrigued prospects to make contact with us for more details.
Wholesale Price Insulatiing Paper For Electric Motor - 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:

Wholesale Price Insulatiing Paper For Electric Motor - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Wholesale Price Insulatiing Paper For Electric Motor - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Wholesale Price Insulatiing Paper For Electric Motor - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Wholesale Price Insulatiing Paper For Electric Motor - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Wholesale Price Insulatiing Paper For Electric Motor - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures


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We insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to deliver you with great provider of processing for Wholesale Price Insulatiing Paper For Electric Motor - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F , The product will supply to all over the world, such as: The Swiss, Belgium, Italy, We only supply quality products and we believe this is the only way to keep business continue. We can supply custom service too such as Logo, custom size, or custom products etc that can according to customer's requirement.
  • Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Fernando from Belgium - 2018.02.21 12:14
    It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Alexia from South Korea - 2018.09.23 18:44