| PROPERTIES | units | ||||
| 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） |
-— |
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| 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
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.
