Muscovite paper

Muscovite mica paper is a high-performance insulating and fireproof material with a temperature resistance of 1000°C and a breakdown voltage of 20kV/mm. It combines excellent mechanical strength and flexibility. Suitable for electrical equipment, high-temperature furnaces, and fire-resistant cables, it is environmentally friendly and asbestos-free, making it an ideal insulation solution for the aviation, home appliance, and new energy sectors.

Product Category:

Mica Paper

Keywords:

Yuefeng Mica

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Description

- Commodity name: Muscovite paper
Main Features
Excellent Electrical Insulation Performance Dielectric strength of 15-28 kV/mm, volume resistivity ≥10¹⁴ Ω·cm, ensuring reliable insulation for low to medium voltage equipment (up to 33kV).
Moderate Temperature Resistance Stable and consistent performance at continuous operating temperatures of 400-500°C (short-term peak: 600°C), suitable for most industrial and electronic applications.
Mechanical Versatility Thin thickness (0.03-0.15mm), good tensile strength, can be cut, stamped, and laminated with resins or adhesives to form custom shapes.
Thermal Insulation Performance Low thermal conductivity (0.1-0.16 W/(m·K)) reduces heat transfer, protecting sensitive components in electrical enclosures and mechanical equipment.
Chemical Stability Resistant to moisture, oil, and weak acids, maintaining stable performance in humid or indoor industrial environments with minimal degradation.
Applications
Electrical Equipment Used as slot insulation in motors, coil windings in transformers, and dielectric layers in capacitors in household appliances and industrial machinery.
Electronics Manufacturing Integrated into circuit boards, battery packs, and electronic enclosures to prevent short circuits and enhance thermal management.
Home Appliance Industry Used as insulation material between heating elements and casings in ovens, microwaves, and heating equipment.
Construction and Wiring Used for high-voltage cable insulation and electrical panel linings to meet safety standards in residential and commercial buildings.
Why Choose Muscovite Mica Paper?
As the most widely used natural mica paper, it balances performance and economy, making it ideal for standard insulation needs, especially where temperatures are not extremely high. Its natural abundance ensures a stable supply chain, unlike rarer mica varieties, while its application history in power systems spans decades. Compared to synthetic alternatives, it offers a cost-effective solution for low to medium temperature applications without sacrificing insulation reliability. For industries prioritizing consistent electrical safety, ease of processing, and economic value, muscovite mica paper remains a trusted choice.

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