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- Electronic Products & Components Processing[1]
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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
Insulation bakelite plate 3021
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1.Description: Insulation bakelite plate 3021 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)
Properties | Unit | Index Value | 3021A(Fact Value) |
Flexural strength perpendicular to laminations | MPa | ≥120 | 126 |
Bonding strength (≥10mm in thickness) | N | ≥3200 | 4100 |
Impact Strength | KJ/m2 | ≥15 | 17.5 |
Tensile strength | Mpa | ≥100 | 103 |
Insulation resistance after immersion in water (D-24/23) | Ω | ≥1.0×107 | 4.5×107 |
Dielectric strength perpendicular to laminations(in 90±5°C transformer oil, 1 mm in thickness) | MV/m | ≥ 84 | 92 (90±5°C) |
Breakdown voltage parallel to laminations | KV | ≥ 20 | 22 |
(in 20±5°C transformer oil) | |||
Permittivity (50Hz) | — | - | - |
Permittivity (1MHz) | — | ≤5.5 | 5 |
Dissipation factor (50Hz) | — | ≤ | - |
Dissipation factor (1MHz) | — | ≤0.05 | 0.03 |
Density | g/cm3 | 1.30-1.45 | 1.41 |
Water absorption (D-24/23, 1.6mm in tickness) | mg | ≤182 | 163 |
Color | — | Organge | |
Reference standard | — | Enterprise Standard |
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Insulation bakelite plate 3021
