Ningbo Sunwell Sealing Materials Co.,Ltd is one of the leading China hard mica sheet manufacturers and suppliers with one of the famous brands, and we are also a professional hard mica sheet company and factory, welcome to contact us.
SUNWELL B502W -- Soft white mica sheet SUNWELL B502G -- Golden Mica Sheet
Typical Application > For insulating, used in metallurgy, chemical engineering and electric heater, etc > Electromechanical
Prime Features > Instead of asbestos > High mechanical strength and good of heat resistance.
Technical Data
Item | Test by | B502G |
Binder content % | | 10~15 |
Density g/cm3 | | 2.45 |
Heat Resistance | Continuous oC | 500/700 |
| Peak oC | 700/1000 |
Weight loss continuous temp. | 500 oC % | <1 |
| 700 oC % | <2 |
Water absorption | 24h/23oC % | <1 |
Fire resistance classification | | 94V ~0 |
Dielectric strength | 20oC kv/mm | 25 |
| 400oC C/1 hour, tested at 20oC kv/mm | 13 |
| 600oC C/1 hour, tested at 20oC kv/mm | 10 |
Volume resistivity | 20oC ohm.cm | 10-16 |
| 400oC ohm.cm | 10-12 |
| 500oC ohm.cm | 10-9 |
Normal dimension: 1200x1000mm, 600x1000mm, thickness:0.2~80mm |
Note: UL Recognized component 94V~0 Flame class rating, file card E216697 Other sizes on requirements.
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