Overview of 95% Alumina Ceramic Sheet Mullite Ceramic Substrate Plate

Mullite ceramic, named after the Isle of Mull in Scotland where it was first discovered, is a synthetic or naturally occurring compound of alumina (Al₂O₃) and silica (SiO₂), typically with a composition of 3Al₂O₃·2SiO₂. It is one of the most important engineering ceramics for high-temperature applications due to its exceptional stability and performance under extreme conditions.

Mullite is characterized by its acicular (needle-like) crystal structure, which contributes to its excellent mechanical strength and thermal properties. As a refractory material, it forms the backbone of many industrial processes, serving as a reliable solution where other materials would succumb to thermal shock, creep, or chemical corrosion. Our mullite industrial ceramics are engineered to provide superior purity and consistent density, ensuring long-lasting service life in the most demanding environments.

Features of 95% Alumina Ceramic Sheet Mullite Ceramic Substrate Plate

Our mullite ceramic products are distinguished by a unique combination of physical and chemical properties:

• Excellent Thermal Shock Resistance: The low coefficient of thermal expansion (CTE) of mullite allows it to withstand rapid temperature changes without cracking, making it ideal for cycled heating processes.
• High-Temperature Stability: With a high melting point (approx. 1830°C / 3326°F) and low thermal conductivity, it maintains structural integrity and dimensional stability in continuous high-heat environments.
• Low Thermal Expansion: Ensures dimensional accuracy and reduces stress during thermal cycling.
• Good Chemical Inertness: Resistant to corrosion from molten metals, slags, and most chemicals, with the exception of hydrofluoric acid.
• High Creep Resistance: Maintains its shape and strength under long-term mechanical load at elevated temperatures.
• Excellent Dielectric Properties: Possesses high electrical resistivity and a low dielectric constant, making it useful for electrical insulation at high frequencies and temperatures.

Specifications of 95% Alumina Ceramic Sheet Mullite Ceramic Substrate Plate

95% Alumina Ceramic Sheet– Mullite Ceramic Substrate Plate

Product Composition

This ceramic plate contains 95% high-purity alumina (Al Two O SIX). The remaining 5% includes ingredients that improve stamina and thermal efficiency. It additionally features a mullite stage, which enhances thermal shock resistance and mechanical stability at heats.

Secret Properties

The sheet uses superb electrical insulation , also under high voltage or raised temperature levels. Its dielectric stamina is solid, making it excellent for electronic and power applications. The product has reduced thermal development , so it remains dimensionally secure during fast temperature level changes. Thermal conductivity is modest– sufficient to manage heat without carrying out electricity.

Mechanical Strength

This substratum reveals high solidity and put on resistance . It keeps architectural honesty under mechanical anxiety and duplicated thermal biking. Flexural stamina commonly surpasses 300 MPa , making sure integrity in demanding settings.

Thermal Performance

It runs constantly at temperature levels up to 1600 ° C (2912 ° F) in oxidizing atmospheres. The mullite material aids protect against cracking during fast home heating or cooling. This makes home plate appropriate for heater linings, kiln furnishings, and high-temperature sensing units.

Surface and Dimensional Precision

Sheets are readily available in basic densities from 0.5 mm to 10 mm . Surface areas can be ground to limited resistances, with monotony within ± 0.05 mm . Both sides might be brightened or left as-sintered, based on application needs.

Common Applications

Utilized commonly in semiconductor manufacturing , power electronic devices , research laboratory equipment , and industrial heater . Its mix of electric insulation, thermal security, and chemical inertness makes it a trusted selection where steels or polymers would certainly fall short.

Applications of 95% Alumina Ceramic Sheet Mullite Ceramic Substrate Plate

Applications of 95% Alumina Ceramic Sheet and Mullite Ceramic Substrate Plate

High-Performance Insulation in Electronic Devices

95% alumina ceramic sheets offer excellent electrical insulation. They handle high voltages without breaking down. These sheets stay secure also when temperature levels increase. That makes them ideal for motherboard, insulators, and power components. Their reduced thermal growth keeps components lined up throughout home heating cycles.

Dependable Assistance in High-Temperature Environments

Mullite ceramic substrate plates job well where heat is consistent and intense. They stand up to thermal shock and maintain their form under stress and anxiety. Manufacturing facilities utilize them in kiln furnishings, burner nozzles, and furnace linings. Their framework stays solid approximately 1,600 ° C, which couple of products can match.

Durable Components for Sensors and Instruments

Both materials suit sensor real estates and measurement devices. Alumina’s smooth surface area allows exact installing of thin-film circuits. Mullite’s chemical resistance safeguards against destructive gases and molten metals. This integrity issues in vehicle exhaust sensors, industrial probes, and lab equipment.

Secure Systems for Semiconductor Manufacturing

In chip production, cleanliness and stability are essential. 95% alumina sheets give level, non-contaminating surface areas for wafer handling. They do not outgas or warp in vacuum chambers. Mullite substratums support fixtures in etching and deposition tools thanks to their purity and mechanical toughness.

Durable Solutions Throughout Industries

From aerospace to medical tools, these ceramics satisfy stringent performance demands. Alumina takes care of high-frequency signals with marginal loss. Mullite endures repeated heating & cooling without breaking. Both products reduced upkeep prices because they last longer than steels or plastics in severe setups. Engineers select them when failure is not a choice.

Company Introduction

Welcome to Eduloc, a leading global supplier of high-quality ceramic grinding balls. Our product range includes Zirconia (ZrO₂), Alumina (Al₂O₃), and Silicon Carbide (SiC) grinding balls, designed for industries such as mining, chemicals, coatings, electronics, and pharmaceuticals. We are committed to providing durable and efficient grinding solutions tailored to our customers’ diverse needs. With advanced manufacturing technology and stringent quality control, our ceramic grinding balls excel in wear resistance, corrosion resistance, and thermal stability. Partner with us for reliable products and exceptional service that enhance your production efficiency and reliability.

If you have any questions, please feel free to contact us.

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of 95% Alumina Ceramic Sheet Mullite Ceramic Substrate Plate

Frequently Asked Questions About 95% Alumina Ceramic Sheet / Mullite Ceramic Substrate Plate

What is a 95% alumina ceramic sheet?

This product is a high-performance ceramic plate made mostly of aluminum oxide (95% purity). It offers strong mechanical support, good electrical insulation, and excellent resistance to heat and wear. It is often used as a base or insulating layer in demanding industrial applications.

How does it differ from mullite ceramic substrate?

Mullite ceramic contains aluminum silicate and has lower thermal conductivity but better thermal shock resistance than 95% alumina. Alumina sheets are harder and offer higher electrical insulation. The choice depends on your specific needs—like operating temperature, mechanical stress, or electrical requirements.

Where are these ceramic plates commonly used?

They are widely used in electronics, semiconductor manufacturing, sensors, heating elements, and high-temperature furnaces. Their stability under extreme conditions makes them ideal for insulators, spacers, and structural parts in harsh environments.

Can these plates be customized in size or shape?

Yes. Most suppliers offer custom cutting, drilling, or grinding to meet exact dimensions and tolerances. Standard sizes are available, but tailored shapes can be produced based on your design drawings or specifications.

Are they safe for high-voltage applications?

Absolutely. Both 95% alumina and mullite ceramics provide excellent dielectric strength. They prevent electrical leakage and maintain performance even at high voltages and elevated temperatures, making them reliable for power electronics and insulation systems.