Mica Paper

What is Mica Paper? Mica paper is a flexible, thin insulating material made from mica minerals (natural or synthetic) through processes of grinding, pulping, and sheet-forming. It retains mica’s inherent properties—excellent electrical insulation, heat resistance, and chemical stability—while offering versatility for cutting, laminating, and wrapping in industrial applications. Available in various types, each tailored to specific temperature ranges and performance needs, mica paper is a cornerstone of insulation systems in electrical, automotive, and high-heat industries. Phlogopite Mica Paper Made from hydraulically crushed natural phlogopite, it can withstand high temperatures up to 800-1000 degrees Celsius and is suitable for making fire-resistant mica tapes and heat-resistant mica plates. Synthetic Mica Paper Mica paper made from synthetic mica sheets maximizes the retention of the excellent high-temperature resistance and electrical insulation properties of synthetic mica. The high temperature resistance level can reach 1200 ℃, suitable for making synthetic mica ceramic mica tapes, and can also be used to make other mica insulation products.

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Mica Paper

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Yuefeng Mica

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Description

- Commodity name: Mica Paper
Key Types of Mica Paper

1. Muscovite Mica Paper
- Source: Derived from natural muscovite mica (aluminum-rich).
- Core Properties
  - Dielectric strength: 15-28 kV/mm.
  - Continuous operating temperature: 400-500°C (short-term: 600°C).
  - Cost-effective with high availability.
- Best For: Low to medium-voltage electrical equipment (motors, transformers), household appliances, and construction wiring.
2. Phlogopite Mica Paper
- Source: Made from natural phlogopite mica (magnesium-rich).
- Core Properties
  - Dielectric strength: 12-25 kV/mm.
  - Continuous operating temperature: 600-700°C (short-term: 800°C).
  - Superior resistance to high heat and mild alkalis.
- Best For: High-temperature industrial furnaces, metallurgy equipment, and aerospace engine insulation.
3. Synthetic Mica Paper
- Source: Artificial fluorophlogopite mica (lab-synthesized).
- Core Properties
  - Dielectric strength: 25-40 kV/mm.
  - Continuous operating temperature: Up to 1000°C.
  - Ultra-pure (99%+ mica content) with minimal impurities.
- Best For: High-precision applications (nuclear reactors, advanced electronics, and aerospace components) requiring extreme reliability.
4. Calcined Mica Paper
- Source: Processed from natural or synthetic mica via high-temperature calcination (800-1000°C).
- Core Properties
  - Dielectric strength: 20-35 kV/mm.
  - Continuous operating temperature: 600-900°C.
  - Enhanced thermal stability (moisture and volatile-free).
- Best For: Industrial kilns, exhaust systems, and solar thermal equipment exposed to prolonged high heat.
Why Mica Paper?

Across all types, mica paper delivers unmatched “insulation + heat resistance” duality, outperforming materials like fiberglass or plastic films in harsh environments. Its flexibility allows use in tight spaces (e.g., coil windings, furnace linings), while its compatibility with adhesives and resins enables integration into composite insulation systems. Choosing the right type depends on temperature requirements, voltage levels, and cost—whether for everyday electrical devices or extreme aerospace conditions, mica paper offers a tailored solution.

Muscovite Mica Paper

Mica Paper

Key Types of Mica Paper

1. Muscovite Mica Paper

2. Phlogopite Mica Paper

3. Synthetic Mica Paper

4. Calcined Mica Paper

Why Mica Paper?