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- Contact Person : Ms. Feng jessie
- Company Name : Ningbo Leadwin International Trade Co., Ltd.
- Tel : 86-574-88183823
- Fax : 86-574-56664782,83030721 Address: 1-2F,Building 2 ,58 Feng Qi Road, Yinzhou Zip: 315100 Country/Region: China (Mainland) Province/State: Zhejiang City: Ningbo
- Address : Zhejiang,Ningbo,1-2F,Building 2 ,58 Feng Qi Road, Yinzhou
- Country/Region : China
- Zip : 315100
LEADWIN insulating sheet Phenolic cotton sheet 3025
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LEADWIN insulating sheet Phenolic cotton sheet 3025
1. Description: insulating sheet Phenolic cotton sheet 3025 is made from cotton cloth impregnated with phenolic resin under pressure and heat. include 3025,3026,CE,LE,C,L etc. With high mechanical strength and electrical properties
2.Specifications:
1) Thickness: 0.5-120mm2) Width x length: 980 x 1,980mm ± 10mm; 1,000 X2,000mm ± 10mm ; 1030X(2000-2300) ± 10mm , (980-1030)x(980-1500) ± 10mm
3)Models:
3025 phenolic resin cotton cloth laminated sheet : 3025,3026,CE,LE,C,L
3.Color:black,brown
4. Applications: it is used for the insulating spare parts of electrical appliances and transformers, textile machines, gears, fixed frames for bearings and noise reduction.
| Properties | Unit | Index Value | Fact Value | |
| 3025A(10yarns) | 3025A(10yarns) | |||
| Density | g/cm3 | 1.30-1.45 | 1.43 | |
| Flexural strength | MPa | ≥91 | 98 | |
| Tensile strength | Mpa | ≥55 | 57.5 | |
| Adhesive strength | N | ≥5500 | 6310 | |
| Impact strength | KJ/M2 | ≥6 | 7.2 | |
| Martens temperature | °C | ≥125 | 126 | |
| Dielectric strength perpendicular to laminate (in 90°C transformer oil,) | 0.5-1mm | kv/mm | ≥4.0 | 4.6 |
| 1.1-2mm | ≥3.0 | 3.8 | ||
| 2.1-3mm | ≥2.0 | 2.2 | ||
| Reference standard | Q/SSD001-2011 | |||
| Properties | Unit | Index Value | Fact Value | |
| 3026(32 yarn) | 3026(32 yarn) | |||
| Surface | The surface is smooth, free of impurities and defects, allowing the minor abrasions | |||
| Density | g/cm3 | 1.30-1.40 | 1.38 | |
| Flexural strength | MPa | ≥110 | direction 122 | |
| cross 93.5 | ||||
| Maximum absorption rate | % | 1 | 0.64(10mm) | |
| Adhesive strength | N | ≥5500 | 7400 | |
| Impact strength | KJ/M2 | ≥7.0 | 19.5 | |
| Dielectric strength perpendicular to laminate (in 90°C±2°C transformer oil, ) | MV/m | ≥0.5 | 8.5(3mm) | |
| Breakdown voltage Parallel to lamination (in 90°C±2°C transformer oil,) | kv | ≥1 | 20.5(10mm) | |
| Reference standard | JB/T8149.2-2000 | |||
We can also offer cotton cloth (21yarns,18yarns)impregnated with phenolic resin sheet
LEADWIN insulating sheet Phenolic cotton sheet 3025
