Products Description
Phenolic Cotton Cloth Molded Rod is a high-strength electrical insulation material made of cotton cloth impregnated with phenolic resin and molded. This product combines the electrical insulation of phenolic resin and the mechanical toughness of cotton cloth, and is widely used in electrical equipment, mechanical structural parts and wear-resistant parts.
Size of Laminated Rod: diameter 8-200mm, length 1.000mm
Material composition and manufacturing process:
| Item | Description |
|---|---|
| Base Material | High - quality Woven Cotton Fabric |
| Resin System | Phenolic Resin |
| Molding Method | Molded under high pressure and heat |
| Density Range | Usually 1.3 ~ 1.45 g/cm³ |
Product parameters
|
Chinese Name |
3725 |
3840 |
3850 |
3851 |
850 |
|
|
IEC |
PFCC41 |
EPGC4 1 |
BMIGC41 |
- |
SIGC41 |
|
|
NEMA |
- |
- |
- |
- |
- |
|
|
Base Material |
Cotto n Cloth |
Glass Fiber Cloth |
||||
|
Resin |
Phenolic |
Epoxy |
Polyamide Imide |
Diphenyl Ether |
Organosil icone |
|
|
Color |
Coffee |
Yellow |
Dark Brow n |
Dark Brown |
White |
|
|
Properties |
Unit |
Value |
||||
|
Density |
g/m3 |
1.2-1.3 |
1.7-1.8 |
1.7-1.8 |
1.7-1.8 |
1.6-1.75 |
|
Vertical Bending Strength (normal) |
MPa |
≥125 |
≥220 |
≥220 |
≥220 |
≥220 |
|
Axial Compressive Strength |
MPa |
≥90 |
≥175 |
≥175 |
≥175 |
>175 |
|
Parallel Breakdown Voltage (90 °C transformer oil) |
Kv |
≥10 |
≥40 |
≥40 |
≥40 |
>≥10 |
|
Insulation Resista nee after Soaki ng |
MQ |
≥5 |
≥1000 |
≥1000 |
≥1000 |
≥1000 |
|
Dielectric Loss Factor (50Hz) |
- |
≤0.03 |
≤0.03 |
≤0.03 |
≤0.03 |
≤0.03 |
|
Water Absorpti on |
mg/cm2 |
≤5 |
≤3 |
≤3 |
≤3 |
≤3 |
|
Temperature Index |
- |
120 |
155 |
180 |
180 |
180 |
certificate
Product Display
Packing
Phenolic Cotton Cloth Molded Rod packaged in wooden crates, wooden framed cases or other strong enough materials covered with moisture-proof materialoutside.Gross weight of each package not exceeds 3000kgs.
Application scenarios
About us
- We have vertical setup,so we can ensure price, quality and leadtime.
- We are manufacturing vendor and we invest 12% profit into R&D.
- We can make Time and Action Calendar 1 day after PO.
- We can give out CAP with 12 hours.
- We supply wide range of transformer components and insulation materials.
- We have a team with 20 years of experience to serve our customers.
Factory Display
fAQ
1/What is phenolic cotton fabric laminate sheet used for?
A:Phenolic cotton cloth sheets type A: has improved electrical properties and is mostly used as insulating material. Phenolic cotton cloth sheets type B: same as type A, but it has improved mechanical properties and is mostly used as a construction material.
2/What are the disadvantages of phenolic board?
A:Phenolic boards are perfect in demanding environments, making them ideal for applications such as bathrooms, kitchens, and other exterior uses. However, their higher initial cost and limited design options may be a drawback to some buyers.
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