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3021 PHENOLIC PAPER LAMINATED SHEET | ||||||||
Serial number | Properties | Unit | Grade | |||||
3021-C | 3021-C | |||||||
1 | Flexural strength perpendicular to laminations above 2mm | ≥ | MPa | 147 | ||||
2 | Bonding strength | ≥ | N | 3206 | ||||
3 | Dielectric Strength Perpendicular to Laminations (in 90°C transformer oil) | ≥ | MV/m | 1.6 | ||||
4 | Breakdown voltage parallel to laminations(in 90°C transformer oil) | ≥ | kV | 4.4 | ||||
5 | Permittivity (1MHz) | _ | — | 3.71 | ||||
6 | Dissipation factor (1MHz) | _ | — | 0.0267 | ||||
7 | Insulation Resistance after impregnated in water | ≥ | Ω | 1.2×108 | ||||
8 | Density | g/cm3 | (1.45-1.5) | |||||
9 | Water absorption (10mm in thickness) | ≤ | mg | 653.7 | ||||
10 | Color | — | Coffee |