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Specifications
Diamond Dotted insulation paper (DDP) Excellent service here and good quantity!Diamond Dotted Insulation Paper( DDP)
it is made of electrical insulation paper with Diamond-shape epoxy resin dotted in both sides. The epoxy resin used in DDP contains a kind of incubative hardener material, it is a dry ad crisp material at normal temperature(below 35degree)
This product has good dielectric properties and good machenical properties after being heat-solidification. It can be used as coils and between layers of oil immerged power and distribution transformers.
thickness: 0.08mm 0.13mm 0.15mm 0.17mm 0.20mm 0.25mm 0.30mm 0.35mm 0.40mm 0.45mm and 0.50mm
Width:960mm,1000mm,1150mm.1250mm.
package:carton and pallet
STANDARD: JB/T4060-1991
Number | Index | Unit | Standard | |||||
1 | Thickness &tolerance | mm | 0.08±0.005 | |||||
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 | ||||
100°C±2°C | ≥400 | |||||||
7 | Pollution for transformer oil |
| - |
| ||||
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 | |||
Store condition: Should store , in do not exceed 35° is dryed , clean with ventilate good
place, must not avoid sunlight near fiery source and warm wind direct.
Storage time: 12 months under normal temperature
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