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Phlogopite Mica

R-5461 Mica Roll consists of phlogopite mica paper (or synthetic mica paper / calcined mica paper) impregnated with a special silicone resin on glass cloth (or biologic / harmless ceramic ) depending on application. The product has great flexibility and high tensile strength and can be used to create inorganic, fire-resistant insulation for fire resistant cables.


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  • Types

  • According to mica paper and reinforcing material, R-5461 series of Mica Tape can be divided into:
    R-5461-PG Glass Backed Phlogopite Mica Roll;
    R-5461-GPG Phlogopite Mica Roll with Glass on Both Sides;
    R-5461-PGP Phlogopite Mica Roll with Glass inside;
    R-5461-SG Glass Backed Synthetic Mica Roll;
    R-5461-GSG Synthetic Mica Roll with Glass on Both Sides;
    R-5461-SGS Synthetic Mica Roll with Glass inside;
    R-5461-COMBI G Harmless Ceramic Fiber Backed Phlogopite Mica Roll;
    R-5461-COMBI GC Phlogopite Mica Roll with Harmless Ceramic Fiber and Glass.

    Note: Meaning of product code;
    R-5461: Rongtai product serial number;
    P: Phlogopite;
    S: Synthetic mica;
    -G: Glass fiber reinforcement;
    -COMBI: Harmless ceramic fiber reinforcement

  • Availability

  • Thickness: 0.20mm, 0.30mm, 0.40mm, 0.50mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, etc;
    Width: 1000mm;
    Length: 20-100m;
    Core: Paper core / Plastic core;
    Core ID: Standard 76mm or customers'requirement.

  • Properties

  • Excellent high temperature resistance and insulation properties: R-5461 series of mica roll will not break down at high temperatures and voltages for a certain period of time;
    Stable chemical properties: Excellent resistance to acid and alkali, aging resistance;
    Excellent environmental performance: No toxic components, no toxic gas under high temperature;
    Excellent mechanical properties: Good tensile strength and flexibility;
    Good appearance: Smooth and flat surface, dry and non-adhesive.

  • Storage

  • In dry environment at room temperature, the storage period is at least 1 year.

  • Performance Parameter

  • Item UnitR-5461-PG / PGP / GPG
    0.2 mm 0.3 mm 0.4 mm 0.5 mm
    Length 20m, 25m, 40m, 50m, 100m etc
    Thickness mm 0.2±0.02 0.3±0.03 0.4±0.03 0.5±0.04
    Mica Content g/m2350±10 500±20 600±20 730±20
    Breakdown Voltage kV >2 >3 >4 ≥5