Home > Products > Insulation laminated sheet > 3021 bakelite sheet
3021 bakelite sheet
- 100 Ton / Tons per Month
- Tianjin/Qindao/Shanghai/Ningbo
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Product Details
| Place of Origin | China | Brand Name | New Light | |
| Model Number | 3021 bakelite sheet | Type | Insulation Sheet | |
| Material | Other, paper and phenolic resin | Application | High Voltage | |
| Rated Voltage | 5kv | Tensile Strength | 100mpa |
Product Description
Specifications
Specifications1.Thickness:3-100mm
2. grade: class E.
3. made from paper and phenolic resin
3021 bakelite sheet
1.Description: phenolic bakelite sheet 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 |
| Properties | Unit | Index Value | Fact Value | |
| 3021B | 3021B | |||
| Density | g/cm3 | 1.30-1.45 | 1.4 | |
| Flexural strength | Mpa | ≥118 | 126 | |
| Tensile strength | Mpa | ≥88 | 96 | |
| Adhesive strength | N | 3200 | 3600 | |
| Impact strength | KJ/M2 | 15 | 18 | |
| insulation resistance Parallel to lamination | normal | MΩ | ≥1.0*1014 | 1.2*105 |
| damp | ≥1.0*102 | 1.8*103 | ||
| voltage resistance Parallel to lamination (in 20°C±5°C transformer oil 5min) | kv | ≥14 | OK | |
| voltage resistance perpendicular to laminate (in 20°C±5°C transformer oil 5min) | 0.2-1mm | kv/mm | ≥14 | OK |
| 1.1-2mm | ||||
| 2.1-3mm | ||||
| thermal stability | <20mm | °C | 90 | OK |
| >20mm | ||||
Contact Us
- New Light (Xuchang) Electrical Insulation Materials Limited
- Contact nameFrank Gao Chat Now
- Phone86-374-212 6606
- AddressWencui str., Xuchang, Henan
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