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Glossy Mica Plate

R-5660-G series of Glossy Mica Plate are 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.

The R-5660-G series of Glossy Mica Plate are smoother and more beautiful by using a special process, while the R-5660-H series of rigid mica plate have a mesh surface. This product is widely used for high-class household electric appliance.

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  • Types

  • According to mica paper, R-5660-G series of Glossy Mica Plate can be divided into:
    R-5660-G1 Muscovite glossy mica plate;
    R-5660-G3 Phlogopite glossy mica plate.

  • Availability

  • Thickness: 0.1mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, …… 5mm.
    Size: Sheets of 1000x600mm, 1000x1200mm;
    Note: The product less than 2.0mm thickness can be formed by stamping. The products larger than 2.0mm shall be processed by turning, milling, drilling and other processes.

  • Properties

  • Relative to general insulation material, the prominent advantages of the glossy mica plate are:
    Excellent insulating properties at high temperature: At 500-1000℃ operating ambient temperature, the voltage breakdown resistance is 15kV/mm;
    Excellent mechanical properties: Good flexural strength and hardness;
    Stable chemical properties: Excellent resistance to acid, alkali and oil and good aging resistance;
    Excellent environmental protection performance: The product contains no asbestos, and has less smoke and odors, even smokeless and odorless when heating;
    Excellent processability: The product can be processed into various shapes without delamination.

  • Packaging

  • One pack is 50kg in general. The product is sealed usually with plastic film and packed in carton. The fumigation-free pallet shall be used when exporting. Each pallet contains<1000kg or protected by metal drum.

  • Storage

  • Stored in dry and moisture-proof indoor place at room temperature, there is no service life limit.

  • Performance Parameter

  • ItemUnitR-5660-G1R-5660-G3Test Procedure
    Mica Paper
    Mica Content%≈92≈92IEC 60371-2
    Bond Content%≈8≈8IEC 60371-2
    Densityg/cm31.8-2.451.8-2.45IEC 60371-2
    Heat ResistanceContinuous Services500700
    Intermittent Services8001000
    Heat Loss at 500℃%﹤1﹤1IEC 60371-2
    Heat Loss at 700℃%﹤2﹤2IEC 60371-2
    Flexural StrengthMPa﹥120﹥120GB/T 5019.2
    Water Absorption%﹤1﹤1GB/T 5019.2
    Dielectric StrengthkV/mm﹥20﹥20IEC 60243-1
    Insulation Resistance at 23℃Ω·cm10171017IEC 60243-1
    Insulation Resistance at 500℃Ω·cm10121012IEC 60243-1
    Flame Resistance
    UL94 V-0UL94 V-0UL94
    Smoking tests<4<4in house