Rigid Mica Sheet

Rigid Mica Sheet

Rigid Mica Sheet

Rigid Mica Sheet: High-Temperature Insulation with Superior Mechanical Strength

Rigid mica sheets are advanced insulation materials made from natural mica minerals, specifically engineered for high-temperature and high-voltage applications. These sheets combine the excellent thermal and electrical properties of mica with mechanical strength and dimensional stability, making them ideal for demanding industrial environments.

Rigid Mica Sheet

Composition and Manufacturing

Rigid mica sheets are manufactured by bonding high-quality mica paper—made from either phlogopite mica or muscovite mica—with a high-temperature-resistant binder, typically a silicone resin. The layers are pressed under heat and pressure to form dense, durable boards with consistent thickness and performance.

Depending on the type of mica used, rigid mica sheets offer different thermal and mechanical characteristics:

  • Phlogopite Rigid Mica Sheet:
    • Golden to dark brown color
    • Excellent thermal stability
    • Withstands temperatures up to 750°C (1382°F)
    • Better resistance to thermal shock
  • Muscovite Rigid Mica Sheet:
    • Silvery or white color
    • Superior dielectric strength
    • Withstands temperatures up to 550°C (1022°F)
    • Excellent electrical insulation
Rigid Mica Sheet

Applications


Rigid mica sheets are widely used in industries that demand thermal and electrical insulation combined with mechanical strength. Typical applications include:

Heat shields and thermal barriers in engines and electrical systems

Electrical Equipment:

Insulation barriers in transformers, motors, and switchgear

Arc chutes and commutator segment insulation

Heating Equipment:

Insulation boards in electric ovens, furnaces, and induction heaters

Support layers under heating elements

Industrial Furnaces & Metallurgy:

Structural thermal insulation in steel, glass, and ceramic processing

Automotive & Aerospace:

Why Choose Rigid Mica Sheets?

Rigid mica sheets are chosen when both insulation performance and mechanical durability are essential. Unlike flexible mica sheets, rigid boards can support components, maintain form, and resist mechanical deformation under heat—making them critical in structural insulation designs.

Rigid mica sheets offer a versatile and reliable solution for high-temperature and high-voltage insulation needs. With two distinct mica types—phlogopite for superior thermal resistance and muscovite for excellent electrical insulation—these sheets can be tailored to meet the specific demands of diverse industries.

Rigid Mica Sheet

Why Choose Our Mica Products?

Goldenmica provide high-quality muscovite and phlogopite mica tailored for demanding industrial applications. Our products ensure:

Discover how our mica solutions can enhance your industrial processes—contact us today!

Comments are closed.
WhatsApp
WeChat QR

扫一扫加微信

QR Code
Email