• 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)

We keep on with our business spirit of "Quality, Performance, Innovation and Integrity". We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for Nkn Insulation Paper, G11, high temperature insulation sheet, Our company eagerly looks forward to establishing long-term and friendly business partner relationships with clients and businessmen from all over the world.
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 usually keep on with the principle "Quality To start with, Prestige Supreme". We've been fully committed to offering our purchasers with competitively priced excellent solutions, prompt delivery and skilled support 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: Bulgaria, Panama, Karachi, Our staffs are adhering to the "Integrity-based and Interactive Development" spirit, and the tenet of "First-class Quality with Excellent Service". According to the needs of every customer, we give customized & personalised services to help customers achieve their goals successfully. Welcome clients from home and abroad to call and inquire!
    • The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
    5 Stars By Irma from Sri Lanka - 2017.08.15 12:36
    The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Nicole from Bangladesh - 2017.06.19 13:51

    Related Products

    Hit enter to search or ESC to close