Thick Mica Plate is Rigid Mica Plate with thickness more than 5mm , it is mica laminates designed for providing outstanding resistant to high voltage and to high temperature.
It has acquired UL94V-0 approval with the file No.E231452, TUV approval on environmental safe (the file No. Z05811263 ), SGS-RoHS approval with the file No. SH6148278/CHEM, and has been authorized for use in contact with food products (certificate from the FDA with the file No. RJSSZ060586FDA
It has two species:
•1: Muscovite Thick Mica Plate , Silver color, Heat resistance: 500 ℃ / 932°F (In constant operation), 750 ℃ / 1382°F (in intermittent operation) .
•2: Phlogopite Thick Mica Plate , Golden/Amber color, Heat resistance: 750 ℃ / 1382°F (In constant operation), 1000 ℃ / 1832°F (in intermittent operation) .
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Features
•Excellent resistance to heat up to 1000°C .
•Excellent in di electric strength .
•Excellent flexural strength. Thick mica plate is usually processed into mica washer, R-566-T series is to process and not delaminated.
•Environment safe. R-5660-T thick mica is free of sheet have no asbestos and heavy metal.
Available
Size: Sheets of 1000 x 600 mm 1000 x 1200 mm 1000 x 2400mm
Size can be adjusted by cutting.
Thickness: 5mm , 10mm , 20mm , 25mm , 30mm , …… 100mm
Application
Thick rigid mica sheet is in the form of very rigid laminated plates. It retain it’s properties even after being exposed to heat. It’s used for the following applications:
Used for industrial heating applications: wound heater elements, cylindrical resistance heaters, thermal insulation in circuit breakers, chemical-engineering and electric appliances, electric sterilized cabinet, and in steel or metallurgy industry for intermediate frequency furnace, arc furnace, etc.
Technical Data
| No. | Item | Unit | Test Procedure | ||
| 1 | mica paper | muscovite | phlogopite | ||
| 2 | Mica content | % | ca.88 | ca.88 | IEC 371-2 |
| 3 | Bond content | % | ca.12 | ca.12 | IEC 371-2 |
| 4 | Density | g/cm2 | 2.35 | 2.35 | IEC 371-2 |
| 5 | Heat Resistant | ||||
| continuous services | ℃ | 500 | 700 | ||
| intermittent services | ℃ | 800 | 1000 | ||
| 6 | Water absorption 24H/ 23 ℃ | % | <1 | <2 | GB/T5019 |
| 7 | Dielectric strength at 20 ℃ | KV/mm | >20 | >20 | IEC 243 |
| 8 | Insulation resistance 23 ℃ | Ω .cm | 1017 | 1017 | IEC93 |
| Insulation resistance 500 ℃ | Ω .cm | 1012 | 1012 | IEC93 | |
| 9 | Flame Resistance | 94V0 | 94V0 | UL94 | |
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