DDP Insulation Paper for Transformer
Product Specifications
| Prod Model: |
0.08-0.25mmx960mm, 1000mm |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Application: |
Switch Baseplate |
| Type: |
Insulation Paper |
| Chemistry: |
Inorganic Insulation |
| Material: |
Paper |
| Thermal Rating: |
Y 90 |
| Maximum Voltage: |
20KV~100KV |
| Brand: |
Chr |
Product Description
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Diamond Dotted PaperMade of kraft paper coated with heat curable epoxy resin, the epoxy adhesive is applied to both sides of the paper in a diamond pattern consisting of 9.5mm X 9.5mm diamonds with 15.9mm center spacing
The Diamond Dotted Paper, alias such as: Epoxy adhesive diamond paper, Diamond Dotted Presspaper, Double sided Diamond Pattern Paper,Diamond Dotted insulating Paper, Varnished Paper, etc.
It is to be used in oil-immersed transformers for the insulation between of coils. On the insulation layer, there is a layer dotted epoxy resin that will be changed with high temperature change that is to be called as felt...
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| Number | Index | Unit | Standard |
| 1 | Thickness &tolerance | mm | 0.08±0.005
0.13±0.007
0.18±0.010
0.20±0.010
0.25±0.010 |
| 2 | Density | g/cm3 | 0.85~1.10 |
| 3 | Adhensive thickness of single side | μm | 10~15 |
| 4 | Water content | % | 4.0~8.0 |
| 5 | Oil absorbency | % | ≥20 |
| 6 | Adhensive strength | Ordinary state | kPa | ≥650 |
| 100ºC±2ºC | ≥400 |
| 7 | Pollution for transformer oil | | - | Pollution-free(tan∮<0.001) |
| 8 | Tensile strength | MD | N/10mm
width | ≥60 | ≥110 | ≥160 | ≥180 | ≥230 |
| CD | ≥30 | ≥50 | ≥70 | ≥80 | ≥100 |
| 9 | Tear Index | MD | Mn | ≥450 | ≥900 | ≥1350 | ≥1500 | ≥2000 |
| CD | ≥500 | ≥1000 | ≥1500 | ≥1700 | ≥2300 |
| 10 | Breakdown | In air | KV | ≥0.88 | ≥1.37 | ≥2.00 | ≥2.10 | ≥2.25 |
| In oil | ≥4.40 | ≥7.00 | ≥9.00 | ≥9.80 | ≥11.50 |
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Welcome Xuchang ChengRui Electrical Insulation Material Co., Ltd
If any question, pls contact our sales
Our main products are as follows:
Film Products: 6020/6021 Polyester film, 6051 polymide film
Flexible composite insulation paper: 6630 DMD insulation paper, 6641-F DMD, 6640NMN, 6650NHN, 6520/6521 insulation paper
Insulation binding tape: Alkali-free fiberglass tape, 2840 epoxy resin impregating binding tape, mica tape, cotton tape, shirinkable binding tape,
Insulation Sleeving: 2715 PVC fiberglass sleeving, 2751 silicone fiberglass sleeving, 2753silicone resin fiberglass sleeving, 2740 acrylic fiberglass sleeving.
Impregnating fiber products: 2432alkyd Fiberglass varnish cloth tape, 2310 oil varnish cloth, 2450, 2210
Electrical insulation paper: Insulation paperboard, Diamond Dotted paper, presspaper, crepe paper, cable paper
Laminated sheets: 3021 phenolic paper sheet, 3025phenolic cotton cloth sheet, 3240epoxy fiberglass sheet, 3841 epoxy rod, 3722-1 cloth bar
The products are widely used for slot insulation, interturn insulation, layer insulation and liner insulation of the large and small motor. Some are for binding insulation of transformer, impregnating material, electrical wire and other electrical insulation.
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