025 Phenolic Cotton Cloth Laminated Sheet has been approved by UL (NO.: E310670) and the products have passed ROHS test.
1. Description: 3025 phenolic cotton sheet is made from cotton cloth impregnated with phenolic resin under pressure and heat. We can produce 3025,3026,CE,LE,C,L etc. With high mechanical strength and electrical properties
2.Specifications:
1) Thickness: 0.5-120mm
2) Width x length: 980 x 1,980mm ± 10mm; 1,000 X2,000mm ± 10mm ; 1030X(2000-2300) ± 10mm , (980-1030)x(980-1500) ± 10mm
3)Models:
Include 3025A,3025B,3027,3028
3.Color: brown
4. Applications: it is used for the insulating spare parts of electrical appliances and transformers, textile machines, gears, fixed frames for bearings and noise reduction.
Properties | Unit | Index Value | Fact Value |
3025A(10 yarns) | 3025A(10 yarns) |
Density | g/cm3 | 1.30-1.45 | 1.43 |
Flexural strength | MPa | ≥91 | 98 |
Tensile strength | Mpa | ≥55 | 57.5 |
Adhesive strength | N | ≥5500 | 6310 |
Impact strength | KJ/M2 | ≥6 | 7.2 |
Martens temperature | °C | ≥125 | 126 |
Dielectric strength perpendicular to laminate (in 90°Ctransformer oil,) | 0.5-1mm | kv/mm | ≥4.0 | 4.6 |