3025 Phenolic Cotton Cloth Laminate Sheet
Product Description
3025 phenolic laminated cloth board is a laminated product made by impregnating cotton cloth with phenolic resin, followed by drying and hot pressing. It is classified as an E-class insulating material, offering excellent mechanical strength, wear resistance, and certain electrical properties, and is suitable for use in transformer oil.
1, Structure (form): phenolic resin, cotton fabric;
2, Performance (summary):high mechanical property;
3, Application (purpose): aplicable to do insulation materials in mechanical, electrical, electric! equipment pars and componenets, and can be used in transformer oil;
4, Sheet specifications: 1020*2020mm; 1220*2440mm;
Thickness: 0.5mm-100mm;
Product Specifications
|
No . |
Indicator |
Unit |
Index value |
|
1 |
Density |
g/cm3 |
1 .30~1.42 |
|
2 |
Mart in temperature (longitudinal) |
°C |
≥125 |
|
3 |
Vertical laminar bending strength (longitudinal) |
MPa |
≥105 |
|
4 |
Tensile strength (longitudinal) |
MPa |
≥65 |
|
5 |
Impact strength (simply supported beam method, unnotched specimen, longitudinal) |
kJ/m2 |
≥25 |
|
6 |
Bonding strength |
N |
≥5400 |
|
7 |
Vertical laminar electrical strength (90°C±2°C transformer oil, thickness >3mm, processed to 2.0mm±0.2 mm) |
MV/m |
≥2.0 |
Applications
Due to its combination of excellent mechanical and insulating properties, 3025 cloth-reinforced board is widely used in:
- Electrical Equipment: Insulating structural components in motors and electrical appliances (such as gaskets, brackets, and spacers).
- Mechanical Transmission: Manufacturing wear-resistant parts such as gears, bearing shells, guide wheels, and cams.
- Transformer Components: Due to its excellent oil resistance, it can be used for insulating support components inside transformers.
- Other Applications: Electrical jigs, thermal insulation boards, mold spacers, etc.
Storage and Precautions
Storage Conditions: Store in a well-ventilated, dry place. The recommended ambient temperature should be below 40°C.
Shelf Life: Under proper storage conditions, the shelf life is typically 18 months.
