- Insulation Materials & Elements[6]
- Fiberglass Cloth[4]
- Electronic Products & Components Processing[1]
- Other Electronic Components[6]
- Transformers[1]
- Other Fiberglass Products[2]
- Multifunctional Materials[1]
- Power Accessories[3]
- Aluminum Composite Panels[1]
- Metal Building Materials[2]
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- Wiring Ducts[1]
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- Other Plastic Building Materials[1]
- Ceramic Fiber Paper[3]
- Ceramic Fiber Blankets[6]
- Other Ceramic Fiber Products[2]
- Other Heat Insulation Materials[1]
- Ceramic Tape[3]
- Ceramic Fiber Boards[1]
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- Ceramics[1]
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- Pipe Fittings[6]
- Bibcocks[2]
- Garden Sprinklers[6]
- Garden Water Guns[4]
- Tool Parts[1]
- Garden Hoses & Reels[4]
- Sprayers[1]
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- Office Adhesive Tape[2]
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- Other Mechanical Parts[1]
- 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
3021C paper based phenolic board
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1.Description: 3021C paper based phenolic board is made from paper that impregnated with phenolic resin under pressure and heat. With high mechanical strength and electrical properties
2.Specifications:
1).Thermal grade: class E.2).Thickness : 3-100mm
3).Size: 980 x 1,980mm ± 10mm; 1,000 X2,000mm ± 10mm ; 1030X(2000-2300) ± 10mm , (980-1030)x(980-1500) ± 10mm
3. standard color: Brown .orange,black
4. Applications:
It is used for the insulating spare parts of electrical appliances and transformers, high mechanical properties electrical and mechanical devices.
3021A, 3021B, 3021C (China standard) is in accordance with X, XX, XXX, XP, XXP, XXXP, XPC (
NEMA standard)
No. | ITEM | UNIT | VALUE |
3021C paper based phenolic board | |||
1 | Density | g/cm3 | 1.30~1.50 |
2 | Heat resistance Thickness ≤20mm | °C |
115 |
3 | Flexural strength ≥ | MPa | 90 |
4 | Bonding ≥ | N | 2740 |
5 | Insulation resistance parallel to lamination ≥ Under normal condition In case of humidity | Ω
|
1×109 1×106 |
6 | Voltage endurance perpendicular to lamination in transformer oil 5 min at 20±5°C ≥ Thickness:1.1~2mm | kV/mm
|
12 |
7 | Voltage endurance parallel to lamination in transformer oil 5 min at 20±5°C ≥ | kV | 10 |
8 | Temperature index | °C | 120 |
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3021C paper based phenolic board
