• facebook
  • sns04
  • twitter
  • linkedin
Call Us: +86-838-3330627 / +86-13568272752
English
page_head_bg

Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F Featured Image
  • Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F
  • Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F

short description:


Product Detail

Product Tags

Related Video

Feedback (2)

Our intention is usually to satisfy our buyers by offering golden provider, great rate and good quality for Chinese Gpo3 Manufacturer, Busbar Flexible, Copper Laminated Flexible Connectors, Together with the everlasting target of "continuous top quality improvement, customer satisfaction", we have been sure that our products high quality is stable and trustworthy and our solutions are best-selling at your home and overseas.
Factory wholesale 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.

image4
D279 epoxy prepreg DMD
image5

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.

image6
image8
image7
image9

Product detail pictures:

Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F detail pictures

Related Product Guide:
We've been convinced that with joint efforts, the enterprise between us will bring us mutual benefits. We could guarantee you item excellent and aggressive price tag for Factory wholesale Insulation Paper - D279 Epoxy Pre-impregnated DMD for dry type trasnformers – D&F , The product will supply to all over the world, such as: UAE, Muscat, Macedonia, We always insist on the management tenet of "Quality is First, Technology is Basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.
    • Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Bella from Ireland - 2017.08.15 12:36
    Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
    5 Stars By Agnes from Croatia - 2017.05.02 11:33

    Related Products

    Hit enter to search or ESC to close