good electrical insulation properties under normal humidity and mechanical applications.
Product name: Black bakelite sheet
Product name: 3021 Phenolic paper laminated sheet
Serial number | Properties | Unit | Grade | |
3021 | ||||
1 | Flexural strength perpendicular to laminations | ≥ | MPa | 120 |
2 | Bonding strength | ≥ | N | 3613 |
3 | Dielectric Strength Perpendicular to Laminations (in 90±2°C transformer oil, 1mm in thickness) | ≥ | MV/m | 3.1 |
4 | Breakdown voltage parallel to laminations(in 90±2°C Transformer oil) | ≥ | kV | 32 |
5 | Permittivity (1MHz) | ≤ | — | 4.8 |
6 | Dissipation factor (1MHz) | ≤ | — | 0.25 |
7 | Insulation Resistance after impregnated in water | ≥ | Ω | 2.4×107 |
8 | Density |
| g/cm3 | (1.3-1.4) |
9 | Water absorption (10mm in thickness) | ≤ | mg | 300 |
10 | Color |
| — | Coffee |
11 | Tensile strength | ≥ | MPa | 99.3 |
12 | Impact strength | ≥ | KJ/m2 | 16.1 |
13 | Thermal stability | ≥ | °C | 118 |
Suitable for mechanical applications and electrical applications; good electrical properties in air under normal humidity; suitable for hot impact machining.
Characteristics and applications: 1)With high mechanical strength,electrical properties and good moisture resistance properties 2)Good electric performance and mechanical performance under normal condition.Fit for insulating parts which need certain mechanical performance and electric performance for machine,motors and electrical apparatus.It can also be used for the transformer oil. 3)Packing:Solid pallet with protective film inside
Pallet dimensions:as per sheet size
4)Weight:1,000kg/pallet, or as buyers' requirements
5)Certificate:ISO9001:2000
6)Free samples are available for your check .
Black phenolic bakelite sheet
