SUNWELL hard mica sheet is used as a replacement for asbestos and other insulating board for a variety of applications. High performance thermal and electrical insulation is designed for electromechanical application requirement.
SUNWELL B502W -- Soft white mica sheet
SUNWELL B502G -- Golden Mica Sheet
Hard Mica Sheet Typical Application
> For insulating, used in metallurgy, chemical engineering and electric heater, etc
> Electromechanical
Hard Mica Sheet Prime Features
> Instead of asbestos
> High mechanical strength and good of heat resistance.
Hard Mica Sheet 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 |
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