Basic Info.
Application
Building Material, Electrical Power System, Electronic Communication, Electronic Device, Industrial Equipment, Laboratory Equipment, Medical Equipment, Transportation
Material
Phenolic Cotton Cloth
Maximum Voltage
20KV~100KV
Size
1020X2020mm or Customized
Delivery Time
10 - 15 Days
Heat Resistance
E Class 120
Product Description
Product Description
Phenolic Cotton Cloth Sheet/Bakelite Sheet
| Trade names: | Phenolic Sheet, Bakelite Sheet |
| Available Shapes: | Sheet |
| Color: | Natural orange, black |
| Sheets Thickness: | 3.0mm ~ 100mm |
| Sheet Size: | 1020mm x 2020mm or customized |
3025 Phenolic cotton cloth laminated sheet is made up of phenolic resin and cotton cloth with the model 3025.In normal condition, it has good electrical property and mechanical property. It is wear-resisting and applies to wear-resisting and insulating parts of mechanical, motor and electrical equipment, such as gear machining, mold machining.
Phenolic cotton cloth laminated sheet/ 3025 Phenolic Cotton Fabric Laminate Sheet is a kind of insulation sheet, made of coarse cotton cloth impregnated phenolic resin by processing under heat and pressure. This product is widely used for low voltage applications ,for machines & appliances having higher voltages but lower electrical stress (slot wedges ,spacers) as material for bearing , gears , rollers & other constructional components , drilling jigs , underwater bearings , telecommunication & high frequency technique property ,oil resistance and dielectric property, as electrical materials with low electric property.
Advantages:
1.High mechanical properties, and oil resistance and certain dielectric property.
2.Extremly tensile stength at crosswise low water absorption rate
3. Withstand a variety of chemical solvents and acid erosion
4. Good abrasion resistance and processing properties. beared various machining processes
5. Good surface flatness, excellent smoothness
6.Good antistatic performance
7.Good machinability, superior resistance to acid and dielectric properties
8. Excellent Dielectric Properties
9.Temperature resistance: Max 140 ºC
10.Good electrical properties
11. Good mechanical properties
12.No water absorption
13.High temperature resistance
14. Good surface hardness
15.Abrasion resistance
16.Excellent insulation
Applications:
Good mechanical strength, antistatic, intermediate electrical insulation. It is impregnated with phenolic resin by insulating impregnated paper. It is roasted and pressed. The product is suitable for the motor and electrical equipment with high mechanical performance, and is used as an insulating component, and can be used in transformer oil. The mechanical strength is good. It is suitable for PCB drilling plate, distribution box, jig board, mould splint, high and low voltage distribution box, packing machine, comb and so on. Suitable for motor, mechanical mould, PCB and ICT jig. Forming machine, drilling machine, table grinding pad.
It has good electrical and mechanical performance under normal condition,it can be used as insulating parts of machinery and electrical equipment
It is used as insulating structure parts in motor, mechanical and electrical equipment, and can be used in transformer oil. With high mechanical property and electrical property. Suitable for being the components of mechanical parts such as the gears, guide wheel, saw guide, etc.
1. Insulation structural components for electromechanical/electrical equipment, ICT,ITE rule the processing of the insulation parts, test fixtures, silicon rubber keypads mold
2. Fixture plate , mold plywood, countertops grinding plate, packaging machines, comb, etc.
3. As material for bearing , gears , rollers & other constructional components , drilling jigs , underwater bearings ,oil resistance and dielectric property, as electrical materials with low electric property.
4. Chemical machine parts , general machine parts and gear ,and generators, Pads, base, baffle etc.. Generator ,transformer, fixture, inverter, motor and electric insulation component
5. Chemical machinery parts, general machinery parts
6. Gears, generators, pads, bases, baffles, generator, transformer, fixture inverter, motor and electric insulation component.
7. Distribution box, fixture board, the mould plate, high and low voltage distribution box, packing machine insulation parts.
8. Mold making, PCB, ICT fixture, molding machine, drilling machine, mesa grinding pads etc.
9. Used in the mechanical performance requirements of a high motor, electrical equipment and insulating structural parts
10. ICT,ITE rule the processing of the insulation parts, test fixtures, silicon rubber keypads mold
11. Fixture plate , mold plywood, countertops grinding plate, packaging machines, comb, etc.
12. Electrical Isolating Bolt Sleeves, Washers and Gaskets
13. Manufacturing Jigs
14. Wear Plates
15. Insulating Pads, Bushes and Spacers,
16. Gears
17. Wear Strips and Liners
18. Rollers
19. Saw Guides
20. Pulleys and Conveyor Wheels
21. Slot Wedges and Packers for Electric Motors
22. Pump Vanes
Phenolic Products:
- Paper Reinforced Phenolic Sheet:
Normal electrical applications, moderate mechanical strength, continuous operating temperature of 120°C(250°F)
- Cottone Reinforced Phenolic Sheet:
Good mechanical and impact strength with contiunuous operating temperature of 120°C(250°F)
Technical Parameters for Panel Bakelite / Phenolic Cotton Cloth laminated Sheet 3025| properties | Unit | Grade |
| | 3025 |
| Flexural strength perpendicular to laminations | ≥ | MPa | 100 |
| Compression strength perpendicular To laminations | ≥ | MPa | 245 |
| Bonding strength | ≥ | N | 5400 |
| Dielectric Strength Perpendicular to Laminations(in 90±2°C transformer oil,1mm in thickness) | ≥ | KV/mm | 0.82 |
| Breakdown voltage parallel to laminations(in 90±2°CTransformer oil) | ≥ | kV | 1 |
| Permittivity(1MHz) | ≤ | - | 5.5 |
| Dissipation factor(1MHz) | ≤ | - | 0.04 |
| Insulation Resistance after impregnated in water | ≥ | Ω | 1.0×106 |
| Density | | g/cm3 | 1.45-1.5 |
| Water absorption(1mm in thickness) | | mg | 206 |
| Color | | - | Brown |
| Tensile strength | ≥ | MPa | 98 |
| Impact strength | ≥ | KJ/m2 | 8.8 |
| Temperature index (short time). | ≥ | - | 120 |
Technical Parameters| ITEM | UNIT | VALUE |
| 3025 | 3025B | 3025C |
| Density | g/cm3 | 1.30~1.42 | 1.30~1.45 | 1.30~1.45 |
| Martens heat resistance (LW) | ºC | 125 | 125 | 125 |
| Flexural strength≥ | MPa | 110 | 90 | 70 |
| Tensile strength≥ | MPa | 70 | - | - |
| Adhesion force≥ | N | 5390 | 4500 | 4500 |
| Impact strength,charpy≥ | kJ/m2 | 25 | 20 | 15 |
| Voltage endurance perpendicular to lamination in transformer oil at 90±2ºC≥ | kV/mm | - | - | - |
| Thickness:0.5~1mm | 4 | - | - |
| Thickness:1.1~2mm | 3 | - | - |
| Thickness:2.1~3mm | 2 | - | - |
| - | - | 2.5 | 2.5 |
| Area of the sheets | mm | 1020×1220,980×1980,1020×2040 |
Detailed Photos
ABOUT US
Xuchang Chengrui Insulation Material Co., LTD is located in Xuchang City, hometown of insulation material. There is 40minutes distance to Zhengzhou airport, Welcome to visit!
We are professional with manufacturing and sales in insulation materials: Flexible composite insulation paper, Film Products, Insulation Binding Tape, Insulation Fiberglass Sleeving, Impregnating Fiber products, Electrical insulation paper, Laminated sheets etc.
We have established steady business cooperation with many customers who are from Russia, Ukraine, Belgium, Italy , Bulgaria, Malaysia, and indonesia Thailand etc.
We can provide various quotation like FOB CIF, CNF ETC.
We accept all payment terms like TT, LC, DP ,WESTERN UNION, PAYPAL ETC.
FAQ
Q: How will you pack the product?
A: We pack with paper cartons&PALLETS
Q: Do you accept OEM?
A: Yes, we do.
Q: Do you provide free sample? And how many days it will take?
A: Yes, we provide free sample. We will make the sample within 5 working days and it will take 3-7days on the transportation.
Q: What's your delivery time?
A: We can efficiently control the production time, and then for the delivery time, it is 5-20 working days based on detailed size and quantity.
Q: Which certification do you have?
A: The plant has passed the certificate of lSO 9001 quality system certification;
Q: What's your payment term?
A: We accept T/T,L/C, Western Union, Paypal,Escrow,or customized if it is acceptable.
Q: Which shipping method is there?
A: Air,Sea, Land, Rail,Choose the most suitable shipping method according to the quantity of your goods.
Address:
#22 building ,Weidu district,Xuchang City,Henan Province,China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components
Management System Certification:
ISO 9001, QC 080000
Company Introduction:
Welcome Xuchang ChengRui Electrical Insulation Material Co., Ltd
If any question, pls contact our sales
Our main products are as follows:
Film Products: 6020/6021 Polyester film, 6051 polymide film
Flexible composite insulation paper: 6630 DMD insulation paper, 6641-F DMD, 6640NMN, 6650NHN, 6520/6521 insulation paper
Insulation binding tape: Alkali-free fiberglass tape, 2840 epoxy resin impregating binding tape, mica tape, cotton tape, shirinkable binding tape,
Insulation Sleeving: 2715 PVC fiberglass sleeving, 2751 silicone fiberglass sleeving, 2753silicone resin fiberglass sleeving, 2740 acrylic fiberglass sleeving.
Impregnating fiber products: 2432alkyd Fiberglass varnish cloth tape, 2310 oil varnish cloth, 2450, 2210
Electrical insulation paper: Insulation paperboard, Diamond Dotted paper, presspaper, crepe paper, cable paper
Laminated sheets: 3021 phenolic paper sheet, 3025phenolic cotton cloth sheet, 3240epoxy fiberglass sheet, 3841 epoxy rod, 3722-1 cloth bar
The products are widely used for slot insulation, interturn insulation, layer insulation and liner insulation of the large and small motor. Some are for binding insulation of transformer, impregnating material, electrical wire and other electrical insulation.
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