Phenolic Cotton Cloth Laminate sheet
Characteristics & Applications ：
Thermal grade E,widely range of applications in mechanical and electrical field,for example: suitable for using as insulation structural parts of machinery and electric equipments,such as electric
generators,motors,switch board ,etc.
| Properties | Unit | 3026 | 3027 | 3028 |
| Flexural strength perpendicular to lamination ≥ |
MPa |
110 |
90 |
100 |
| Notch impact strength parallel to lamination charpy
≥ |
KJ/m2 |
7.0 |
7.8 |
6.0 |
| Bonding strength ≥ | N | — | — | — |
| Dielectric strength perpendicular to lamination （in oil 90±2℃
≥ |
）MV/m |
0.82 |
5.1 |
6.3 |
| Breakdown voltage parallel to lamination （in oil 90±2℃) ≥ |
KV |
1 |
18 |
20 |
| Relative dielectric coefficient
≤ |
— |
— |
5.5 |
5.5 |
| Insulation resistance after impregnated in water ≥ |
Ω |
1×106 |
5×107 |
5×107 |
| Water absorption 1mm ≤ | mg | 206 | 136 | 136 |
| Colour | — | natural or black | ||
| Reference standard | — | JB/T8149.2-2000 | ||
|
Characteristics & Applications |
1、3027：Suitable for mechanical & electrical applications, similar to NEMA’s CE grade.
2、3026：Primarily intend for mechanical applications, similar to NEMA’s L grade. 3、3028：Suitable for mechanical & electrical applications, similar to NEMA’s LE grade. |
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Normal Dimension:
1020mmx1220mm ; 1020mmx2040mm ; 1220mmx2470mm
Normal Thickness: 0.5mm to 50mm
Remark: You are warmly welcome to raise your special requirement, so as to make design and studies in special in order to produce more qualified new type laminated sheet.
