Mica’s natural cleavage properties—its ability to split along smooth planes—make it ideal for manufacturing high-performance Mica Sheets. Structurally, mica minerals have hexagonal atoms arranged in sheet-like layers, giving them excellent thermal resistance, electrical insulation, and chemical stability.
Whether rigid or flexible, Mica Sheets are among the most versatile insulation materials available. Rigid sheets typically range from 0.10 mm to 50 mm thick, while flexible sheets are 0.10 mm to 2 mm, making them adaptable to a wide variety of industrial applications.
1. Furnace Construction and Industrial Heat Processing
Rigid Mica Sheets are widely used in furnace flooring, induction furnace walls, and arc furnace insulation. They combine electrical insulation with thermal resistance to withstand extreme temperatures. In foundries, Mica Sheets also help protect workers from burns, prevent condensation on cold surfaces, and maintain stable operating temperatures.
2. Household Appliances and Heating Elements
From toasters to band heaters and hairdryers, many household appliances use rigid Mica Sheets as insulation plates for heating wire. Their low thermal conductivity ensures safety while their thin structure allows for rapid heat transfer and efficient cooling.
3. Flexible Wrapping and Insulation Foils
Flexible Mica Sheets—made from muscovite or phlogopite—are used for winding or wrapping pipes, cables, and heating elements. In microwave ovens and micro-motors, flexible Mica Sheets act as heat shields and electrical insulators. In automotive and aerospace industries, thicker phlogopite-grade sheets serve as thermal and voltage insulation pads.
4. Electrical and Electronic Components
Mica’s dielectric strength makes it ideal for capacitors, electrical insulators, and heat shields for electronic devices. It can withstand temperatures up to 900°C, enabling it to provide both mechanical support and thermal conductivity in high-performance electrical systems.
5. Furnace Lining and Longevity
Flexible Mica Sheets are used to reline furnaces, ladles, and tundishes, extending their lifespan and improving thermal efficiency. Mica’s slip-plane characteristic allows furnace linings to expand and contract without cracking, reducing damage during repeated heating and cooling cycles.
6. Custom-Machined Insulation Components
Rigid Mica Sheets can be CNC-machined into discs, flanges, or other precision components for specialized insulation needs. Whether it’s a short-run prototype or high-volume industrial parts, mica’s combination of thermal strength and electrical resistance makes it a top choice for custom applications.
Why Choose YILONG for Mica Sheet Solutions
Qingdao Yilong New Materials Co., Ltd. is a trusted supplier of rigid and flexible Mica Sheets for industries ranging from electronics and aerospace to automotive and heavy industry. We offer:
A full range of standard and customized mica sheet sizes and grades
Consistent quality through strict manufacturing standards
Technical support for industry-specific applications
Global shipping with competitive lead times
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