3025BPhenolic LaminatesFactory DirectCNC Cut to Size
3025B Phenolic Cotton Cloth Laminate Sheet
3025B phenolic cotton cloth laminate — often called bakelite cotton board — combines excellent machinability with good mechanical strength and electrical insulation, making it a versatile choice for gears, washers and insulating parts.
| Standard / Grade | IEC / GB 3025 |
| Base Material | Cotton cloth + phenolic resin |
| Colour | Brown / reddish-brown |
| Density | ≈ 1.3–1.45 g/cm³ |
| Thickness Range | 0.5 mm – 100 mm |
| Sheet Size | 1020×1220 mm · custom |
| Operating Temp. | Class E (120 °C) |
| Dielectric Strength | ≥ 10 kV/mm (perpendicular) |
| Flexural Strength | ≥ 100 MPa |
| Water Absorption | ≤ 0.50% |