Battery Thermal Runaway Protect Mica Sheet Winding Insulation Mica Materials
The mica plate is made of mica paper and silicone glue, which is bonded, heated and pressed, in which the mica content is about 90% and the organic silica gel water content is 10%. Mica sheet have Excellent high temperature insulation performance, the highest temperature resistance up to 1000℃, in high temperature insulation materials, with good performance and price ratio.
Excellent electrical insulation, the general product voltage breakdown resistance index up to 20 KV/mm.
△ Extreme heat resistance and fire resistance
△ Ultra low thermal conductivity
△ Excellent electrical insulation performance
△ High temperature compressive strength
△ Cutting tolerance 1-3mm
△ Halogen free and nontoxic
△ Good toughness, continuous strength
△ Wear resistant and durable
△ Widely used in household appliances industry, metallurgy industry, chemicalindustry and medical equipment
△ industry, as heating bracket, liner, partitionetc
Mica sheet is a high temp insulating material made of quality mica materials and high-performance organic silicon resin after the melting and laminating process, widely used in electrical appliances such as toasters, hair dryers and warm air blowers, etc and other electric heaters which require high temp electro insulation.
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Refractory silicone rubber composite layer of ultra-high strength stubborn fabric makes it have high mechanical strength;
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It can maintain solid structural integrity at high temperatures or flame, and has excellent electrical insulation;
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Low smoke, low flame and low smoke toxicity during combustion;
- It can be processed to ultra-thin thicknesses and has excellent flexibility.
| Specification |
Muscovite Sheet |
Phlogopite Sheet |
Muscovite flexible Sheet |
Phlogopite flexible Sheet |
| Binder |
Silicon Resin |
| Mica Content |
≥90% |
| Binder Content |
≤10% |
| Thickness(mm) |
2.0-100 |
2.0-100 |
2.0-100 |
2.0-100 |
| Average Thickness |
±0.02-0.05 |
±0.02-0.05 |
±0.02-0.25 |
±0.02-0.25 |
Individual Tolerance
(mm) |
±0.05-0.08 |
±0.05-0.08 |
±0.04-0.06 |
±0.04-0.06 |
| Density ( g/cm3 ) |
1.8-2.2 |
1.8-2.2 |
1.8-2.2 |
1.8-2.2 |
| Heat loss at 500 °c (%) |
≤ 1.00 |
≤ 0.60 |
≤ 2.00 |
≤ 2.00 |
| Flexural Strength ( kgf/mm² ) |
≥ 18 |
≥ 16 |
- |
- |
| Dielectric Strength (KV/mm) |
>20 |
>18 |
>15 |
>15 |
| Insulation Resistance (MΩ) |
200-600 |
100-600 |
- |
- |
| Long Run work Temperature |
500 °c |
800 °c |
500 °c |
800 °c |
| Standard Size (mm) |
1000*600 , 1000*1200 , 1000*2400 |
| Standard Reference |
GB5019-85,IEC371 |
mica sheet comes in the form of rigid laminated sheet after laminating, pressing and baking process consisting of quality muscovite, phlogopite or synthetic mica paper impregnated with high temperature resistant organic silicon resin as a binding agent.
Fire resistance classification UL94 (94 V-0); BS479 (class 1); IEC 60371-3-3 conformity
Rigid mica sheets are specially developed to provide outstanding thermal and electrical insulation for different heating elements.It has a wide range of following applications:
To implement resistor support, especially for heating elements in toasters, and hair dryers.
To manufacture closed heating elements such as heater bands, heating elements, clothes irons and presses, kettles, cooking appliances, and heating elements for extrusion machines;
To use as thermal insulation in circuit breakers such as dividers between components affected by high heat loads.
Standard Supply:
Thickness: 0.10-1.90mm+/-0.05mm
Size: 1000*600/1200/2400mm
We customized strips or parts according to the customer’s drawing or requirements.
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