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Model No.: 3021
Application: Insulators
Type: Insulation Sheet
Material: Paper
Thermal Rating: E 120
Color: Brown
Transportation: Ocean,Land
Place of Origin: China
Supply Ability: 500 tons / year
Port: Dalian Port
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA
3021 Phenolic Paper Insulation Laminated Cardboard Sheet
3021 Phenolic Paper Laminated Sheet is made up of paper impregnated with phenolic resin by baking and heat pressing. This product applies to components in insulation system of motor, electrical equipment which has high requirement on mechanical property and also applies to transformer oil. It is usually used in low-voltage apparatus, such as base board of distribution cabinet.
Skills requirement
1. The appearance surface should be flat and clean. No bubble impurities and obvious defects are allowed, and slight scratches are allowed. The edges should be cut neatly and there should be no delamination or cracks on the end faces.
2. Nominal thickness and deviation
Nominal thickness and deviation unit:mm
Nominal thickness | deviation | Nominal thickness | deviation | Nominal thickness | deviation |
0.4 | ±0.07 | 3.0 | ±0.25 | 20 | ±0.86 |
0.5 | ±0.08 | 4.0 | ±0.30 | 30 | ±1.15 |
0.6 | ±0.09 | 5.0 | ±0.34 | 40 | ±1.35 |
0.8 | ±0.10 | 6.0 | ±0.37 | 50 | ±1.55 |
1.0 | ±0.12 | 8.0 | ±0.47 | 60 | - |
1.5 | ±0.16 | 10.0 | ±0.55 | 80 | - |
2.0 | ±0.19 | 12.0 | ±0.62 | 90 | - |
2.5 | ±0.22 | 16.0 | ±0.75 | 100 | - |
2. Product specification:
1500mm*3000mm*5mm—100mm
2700mm*2700mm*5mm—100mm
4000mm*2000mm*5mm—100mm
Physical mechanical and dielectric properties
Performance | unit | standard value | |
density | g/cm3 | 1.3-1.45 | |
Bending strength | Mpa | ≥117.6 | |
Apparent bending elastic modulus | Mpa | ≥7000 | |
Vertical layer compression strength | Mpa | ≥250 | |
Parallel layer shear strength | Mpa | ≥10 | |
Tensile Strength | Mpa | ≥88.2 | |
Adhesive strength | N | ≥3136 | |
Flammability | level | V-1 | |
Vertical layer to withstand voltage(5min in oil at 90 ± 2 ℃) | Thickness0.2-1mm | KV/mm | 12 |
Thickness1.1-2mm | 11 | ||
Thickness2.1-3mm | 6 | ||
Thickness3mm or more | 6 | ||
Parallel layer withstand voltage(90 ± 2 ℃ in oil, pressure resistance 5 min) | KV | 8 | |
Parallel layer insulation resistance is not lower than | Normal state | Ω | 1.0×109 |
After getting wet | 1.0×107 | ||
Thermal stability | Board thickness 20mm and below | - | 115 |
Thickness above 20mm | 90 |
Company Profile
Yingkou Dongyuan Electrical Insulation Wide Plate Co., Ltd. is located in China (Liaoning) Free Trade Pilot Zone. The factory covers an area of 17,000 square meters, with more than 100 employees and fixed assets of 40 million yuan. The company's main products are: Electrical Laminated Wood, insulation boards (3240 Epoxy Board, 3021 cardboard, 3025 Cotton Cloth Board, 9309 low dielectric loss cardboard Etc.), Laminated Wood insulation parts (compression rings, clips, round rods, screw nuts, pads, pallets, support frames, fasteners and other finished products in various shapes) and other insulating materials. It owns 32 sets of main production equipment including 8000 ton press, 6000 ton press, 5000 ton press, gluing machine, etc. After many years of hard work, the company has completed the original accumulation and the equipment renovation, and has newly developed the nation's largest board ( 4000mm × 2000mm, 3000mm × 1500mm, 2700mm × 2700mm ...), filling the domestic gap and setting a record for the large format of the Insulation Board. Its products have passed the national ISO quality management system certification and have the only large-scale all-metal detector in China. The products are applied to various power distribution systems and components such as transformers, switch cabinets, and motors. The company adheres to the credibility of the first, quality first, continues to work on the development of insulation materials products, consolidate the leading position in the market, and strive to provide users with the best service.
Product Categories : Insulation Board > Phenolic Paper Laminated Sheet
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.