Phenolic Papper Laminate sheet
| PROPERTIES | units | 3021 | 3021B | 3021C | 3021D |
|
Flexural strength perpendicular
≥ |
MPa |
120 |
90 |
90 |
120 |
|
Bonding strength≥
|
N |
3200 |
3000 |
2800 |
3600 |
| Dielectric strength perpendicular to lamination(in oil 90±2℃) ≥ |
MV/m |
12.1 |
14 20±5℃ 5min
1.1-2mm |
12 20±5℃ 5min 1.1-2mm |
15.8 |
| Breakdown voltage parallel to lamination(in oil 90±2℃)≥ |
KV |
20 |
12 20±5℃ 5min |
10 20±5℃ 5min |
35 |
|
Relative dielectric coefficient ≤ |
— |
5.5 |
— |
— |
5.5 |
|
loss factor ≤ |
— |
0.05 |
— |
— |
0.05 |
| Insulation resistance after impregnated in water ≥ |
Ω |
1×107 |
1×109 (A) |
-— |
|
| Water absorption1mm
≤ |
mg |
170 |
— |
— |
— |
|
Colour |
— |
Chocolate |
Nature |
||
|
Reference standard |
— |
JB/T8149.1
-2000 |
Enterprise’s standards |
||
|
Characterisitics & Applications |
Suitable for mechanical & electrical application,with good electrical properties under normal humidity conditions.3021B,3021C are two derivation types from
3021,with lower properties,and economical cost. |
||||
Characteristics & Applications:
Suitable for mechanical & electrical application, with good electrical properties under normal humidity conditions.3021B,3021C are two derivation types from 3021,with lower properties, and economical cost.
Normal Dimension:
1020mmx1020mm ; 1020mmx1220mm ; 1020mmx2040mm ; 1220mmx2470mm
Normal Thickness: 0.5mm to 50mm
Remarks: 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.

