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Home > Laminated Products > Phenolic Cotton Cloth Laminate sheet 3026 3027 3028
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Phenolic Cotton Cloth Laminate sheet 3026 3027 3028
Phenolic cotton cloth laminate sheet is made of cotton cloth impregnated with phenolic resin after drying and hot pressing.
Type: 3026 3027 3028
Features:
1.Normal Dimension:
1020mmx1220mm, 1020mmx2040mm, 1220mmx2470mm
2.Normal Thickness: 0.5mm to 50mm
Advantage:
With electrical properties and good mechanical properties under normal conditions.
Application:
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.
|
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 |
MV/m |
0.82 |
5.1 |
6.3 |
|
Breakdowm voltage parallel to lamination |
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 |
mg |
206 |
136 |
136 |
|
Colour |
— |
natural or black |
||
|
Reference standard |
— |
JB/T8149.2-2000 |
||
|
Characteristics & Applications |
1、3027：Suitable for mechanical & electrical applications, |
|||
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.