PHENOLIC PAPER LAMINATED SHEETS
|
PROPERTIES
|
units
|
3021
|
3021B
|
3021C
|
| Flexural strength perpendicular ≥ |
MPa
|
120
|
90
|
90
|
| Bonding strength ≥ |
N
|
3200
|
3000
|
2800
|
| Dielectric strength
perpendicular to lamination （in oil 90±2℃） ≥ |
MV/m
|
12.1
|
14 |
12
20±5℃ 5min 1.1-2mm |
| Breakdown voltage parallel to lamination （in oil 90±2℃） ≥ |
KV
|
20
|
12
20±5℃ 5min |
10
20±5℃ 5min |
| Relative dielectric coefficient ≤ |
—
|
5.5
|
—
|
—
|
| loss factor ≤ |
—
|
0.05
|
—
|
—
|
| Insulation resistance after impregnated in water ≥ |
Ω
|
1×107
|
1×109
（A） |
|
| Water absorption 1mm ≤ |
mg
|
170
|
—
|
—
|
| Flammability |
—
|
—
|
—
|
—
|
| Colour |
—
|
Chocolate
|
||
| 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. | |||
The area : 980×1980 mm2, 1020×2040 mm2 ，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.