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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