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Location: Home > Products > The DDP Epoxy Lingge Dispensing Insulating Paper(DDP)_ |
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| Add Time:2014/5/19 22:55:59 Hits：2624℃ |
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 The DDP Epoxy Lingge Dispensing Insulating Paper(DDP)_
It is using the electrical special quality cable paper. Its double-sided make of the modified epoxy resin and the lingge conformal coating with the glue. It is the long-term is widely used in various types of oil-immersed transformers and transformer do layer or interturn insulation. It has been widely adopted by the transformer industry and recognition.
Features
The product is a universal layer insulating paper of transformers. It has not only good oil absorption, but also can’t cause pollution of various oils. At the same time, it has excellent mechanical and electrical properties of the oil. It is coated with an epoxy resin can be a strong adhesive force is generated between the coil or other electrical components. It prevents the coils and electrical components .displacement and loose in the run. And to ensure the safety and reliability of transformers and other electrical equipment in the run
Performance indicators
NO |
Performance |
Unit |
claim |
| 0.08mm |
0.13mm |
0.18mm |
0.20mm |
0.25mm |
| 1 |
The substrates thickness and tolerances |
mm |
0.080±0.05 |
0.13±0.007 |
0.180±0.01 |
0.18±0.01 |
0.25±0.01 |
| 2 |
Substrate tightness |
g/cm3 |
0.85~1.0 |
| 3 |
Sided adhesive thickness |
um |
6~12 |
| 4 |
Water |
% |
4.0~8.0 |
| 5 |
Ash |
% |
≤1.0 |
| 6 |
Water extract conductivity |
mS/m |
≤10 |
| 7 |
Water extracts PH value |
--- |
6.5~8.5 |
| 8 |
Oil absorption |
% |
≥20 |
| 9 |
Adhesive strength |
KPa |
normal |
≥650 |
| 100±2℃ |
≥400 |
| 10 |
Transformer oil pollution |
--- |
Pollution-free(Δtanδ<0.001) |
| 11 |
Tensile strength |
MD |
N/10mm |
≥60 |
≥110 |
≥160 |
≥180 |
≥230 |
| TD |
≥30 |
≥50 |
≥70 |
≥80 |
≥100 |
| 12 |
Elongation |
MD |
% |
≥2.0 |
| TD |
≥4.0 |
| 13 |
Tear strength |
MD |
m/N |
≥450 |
≥900 |
≥1350 |
≥1500 |
≥2000 |
| TD |
≥500 |
≥1000 |
≥1500 |
≥1700 |
≥2300 |
| 14 |
Breakdown voltage |
air |
kv |
≥0.88 |
≥1.37 |
≥2.00 |
≥2.10 |
≥2.25 |
| oil |
≥4.40 |
≥7.00 |
≥9.00 |
≥9.80 |
≥11.50 |
| Product curing conditions |
First of all, in the 90℃cured after 3hours,and then curing6 hours at 125℃±5℃,or by both parties predetermined curing conditions for curing |
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