Rigid Mica Plate is mica laminates designed for providing outstanding electrical insulation at high temperature, which consist of approximately 90 % Muscovite (or Phlogopite) and 10% high temperature resistant silicone resin.
Rigid Mica Plate has acquired UL94V-0 approval, TUV approval on environmental safe, SGS-RoHS approval and has been authorized for use in contact with food products
Rigid Mica Plate has two species:
1: Muscovite Rigid Mica Plate , Silver color, Heat resistance: 500 ℃ / 932 °F (In constant operation), 750 ℃ / 1382 °F (in intermit t ent operation) .
2: Phlogopite Rigid 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. It has unique temperature resistance, the maximum working temperature for the Muscovite Mica Plate and Phlogopite Mica Plate are approximately 500 ℃ and 750 ℃ respectively, Peak work temperature are 750 ℃ and 1000 ℃ respectively.
•Excellent electrical insulation. It has excellent dielectric properties, the maximum dielectric is more than 20KV/mm.
•Excellent punchability. It has good flexural strength and can be cut very precisely using die-stamping.
•Environmentally safe. It generates very little smoke even at excessive temperatures
Available
•Size: Sheets of 1000 x 600 mm 1000 x 1200 mm 1000 x 2400mm
Strips and punched parts according to drawings for thickness 0, 1 to 2 , 0 mm .
•Thickness: 0, 1mm , 0.15mm , 0.2mm , 0.25mm , 0.3mm , …… 5.0mm .
Technical Data
| No. | Item | Unit | Muscovite | Phlogopite | Test Procedure |
| 1 | Mica content | % | ca.92 | ca.92 | IEC 371-2 |
| 2 | Bond content | % | ca.8 | ca.8 | IEC 371-2 |
| 3 | Density | g/cm2 | 1.8-2.45 | 1.8-2.45 | IEC 371-2 |
| 4 | Heat Resistant | ||||
| continuous services | ℃ | 500 | 700 | ||
| intermittent services | ℃ | 800 | 1000 | ||
| 5 | Heat loss at 500 ℃ | % | <1 | <1 | IEC 371-2 |
| Heat loss at 700 ℃ | % | <2 | <2 | IEC 371-2 | |
| 6 | Flexural strength | N/mm2 | >200 | >200 | GB/T5019 |
| 7 | Water absorption | % | <1 | <1 | GB/T5019 |
| 8 | Dielectric strength | KV/mm | >20 | >20 | IEC 243 |
| 9 | Insulation resistance 23 ℃ | Ω.cm | 1017 | 1017 | IEC93 |
| Insulation resistance 500 ℃ | Ω.cm | 1012 | 1012 | IEC93 | |
| 10 | Flame Resistance | 94V0 | 94V0 | UL94 | |
| 11 | Smoking test | s | <4 | <4 | in house |
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