Transformer Insulation Paper Epoxy Resin Dmd Prepreg
Products information
Pre-impregnated DMD FILM
is Class F(155°C)insulating material
Pre-impregnated DMD FILM has long shelf life at room temperature,low precuring temperature and time,showing excellent electrical insulation, bonding and heat-resistant properties.
Application
Pre-impregnated DMD FILM is used for liner insulation of copper foil (aluminum foil) low voltage coils in dry-type transformer and slot insulation and interphase insulation in B ~ F class motors and electrical appliances.
Special specification can be supplied according to customer request.
| Properties |
Units |
Values |
|
| Nominal thickness |
mm |
0.15 |
0.18 |
0.2 |
0.23 |
0.25 |
0.3 |
0.35 |
0.4 |
0.45 |
|
| Tolerance |
mm |
±0.02 |
±0.025 |
±0.03 |
±0.03 |
±0.03 |
±0.03 |
±0.035 |
±0.040 |
±0.045 |
|
| Thickness of film |
mm |
0.05 |
0.05 |
0.05 |
0.1 |
0.1 |
0.15 |
0.188 |
0.25 |
0.25 |
|
| Tensile Strength(no bending) |
mm |
≥70 |
≥80 |
≥100 |
|
| Resin content |
% |
35±5 |
30±5 |
25±5 |
20±5 |
|
| Volatile content |
% |
≤1.5 |
|
| Smeltable resin content |
% |
≥1.0 |
|
| Dielectric strength |
mV/m |
≥40 |
|
| Breakdown votage |
kV |
≥7 |
≥7 |
≥7 |
≥10 |
≥10 |
≥10 |
≥15 |
≥18 |
≥18 |
|
| Tensile and shear strength |
Mpa |
≥3.0 |
|
| Heat shrinkage rate |
Crosswise |
% |
≤1.0 |
|
| Lengthwise |
≤2.0 |
|
| Appearance |
|
Soft,smooth free of any delamination impurity,damage,crack,blister. |
|
| |
| Color |
|
Red,Brown,White |
|
| Thermal rating class |
ºC |
≥155 |
|
Application
Products show
Company Information
Xuchang Ruiyuan insulation material co.,ltd insist on the
idea " GOOD QULAITY, GOOD SERVICE ". it is establish 20years old.
It is located in Xuchang City, Henan Province, China. From 2010 year old our company begin deal international trade, based on the original business. Till now we import and export to many contries, such as United Kingdom, Germany, France, Ukrain, Bulgaria, Italy, India, Pakistan, Bangladesh, Korea, Brzil and so on.
Our manufacturing technique is leading in this field and well known in the world. Now there are more than 20 product facilities, and 105 staff, including 5 senior technical, 20 intermediate technical. Main products are manufactured on international standard.
Our products mainly used for transformer and electrical motor, we produces insulation paper, insulation board, insulation tape,insulation film and also sales PTFE FR4 PA6 and cable wire.
We will develop with you by best-quality products, warm-hearted service and mutually beneficial cooperation!
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