3021 Electrical Insulation Board Phenolic Bakelite Paper Laminate Sheet
| US$2.00 | 500 kg (MOQ) |
Port:
Shanghai, China
Production Capacity:
5000kg/Week
Payment Terms:
L/C, T/T
Xuchang Chengrui Insulation Material Co., Ltd.
Henan, China
Last Login Date:
Jul 29, 2025
Main Products:
Electrical Insulation Paper, Polyester Film, Fiberglass Sleeving, Insulation Material, Nmn Nomex Paper, Pressboard Presspaper, Insulation Paper, Insulation Board, Insulation Sheet, Fiberglass Tape
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Product Description
Company Info
Basic Info.
Model NO.
Application
Insulators, Electrical Winding Insulation, Motor, Insulating Varnish
Color
Black, Orange
Material
Paper
Maximum Voltage
10KV~20KV
Thermal Rating
E 120
Thickness
3-100mm
Size
980X1980mm, 1020X2040mm
Package
Pallet
Storage Life
1 Year
Type
Insulation Sheet
Chemistry
Inorganic Insulation
Classification
Inorganic Insulation Material
Certification
ISO9001
Brand
Chr
Trademark
CHR
Transport Package
Pallet
Specification
3-100mm
Origin
China
HS Code
8547909000
Product Description
Product Description
3021 phenolic paper laminate sheet
1.Description: 3021 phenolic paper laminate sheet is made from paper that impregnated with phenolic resin under pressure and heat. With high mechanical strength and electrical properties2.Specifications:
3021 phenolic paper laminate sheet
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 4000mmx2000mm, 2700mmx2700mm, 3000mmx1500mm
3. standard
3021 phenolic paper laminate sheet
color: orange,black
4. Applications:
3021 phenolic paper laminate sheet
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)
Product Parameters
| 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 | - | EnterpriseStandard |
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