Overview of Corundum Mullite Ceramic 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 Corundum Mullite Ceramic 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 Corundum Mullite Ceramic Plate

Diamond Mullite Ceramic Plate– Technical Specs

Product Structure

Corundum mullite ceramic plates are made from a mix of high-purity alumina (Al ₂ O TWO) and mullite (3Al ₂ O FIVE · 2SiO ₂). This blend provides home plate solid resistance to heat and wear. The typical alumina web content ranges from 60% to 85%, relying on the grade.

Physical Properties

The density of these plates generally drops between 2.7 g/cm THREEand 3.2 g/cm four. Their hardness is really high– often above 9 on the Mohs scale. This makes them perfect for extreme settings where abrasion is a problem. Water absorption is very reduced, commonly under 0.5%, which helps avoid damages in damp or humid problems.

Thermal Efficiency

These plates handle high temperatures well. They can function continuously at temperature levels as much as 1500 ° C (2732 ° F). Thermal shock resistance is exceptional as a result of low thermal growth and great thermal conductivity. Abrupt temperature modifications will certainly not conveniently fracture or break the material.

Mechanical Toughness

Flexural strength varieties from 200 MPa to 400 MPa. Compressive toughness often exceeds 1500 MPa. These values make sure the plate stays undamaged under hefty loads or mechanical stress and anxiety.

Chemical Resistance

Corundum mullite ceramic plates resist assault from most acids, alkalis, and molten steels. They do not wear away quickly, also in hostile chemical setups. This security makes them suitable for usage in furnaces, kilns, and commercial cellular linings.

Standard Dimensions and Tolerances

Typical densities consist of 5 mm, 10 mm, and 20 mm. Custom-made sizes are available on request. Dimensional resistance is normally within ± 0.5 mm for size and size, and ± 0.2 mm for thickness, guaranteeing specific fit in technological applications.

Applications of Corundum Mullite Ceramic Plate

Applications of Diamond Mullite Ceramic Plate

High-Temperature Industrial Furnaces

Diamond mullite ceramic plates work well in high-temperature industrial furnaces. These plates resist warm up to 1,700 ° C without splitting or flawing. They line kilns, sintering heaters, and warmth treatment chambers. Their solid structure keeps furnace walls steady throughout repeated home heating and cooling down cycles.

Metallurgy and Shop Operations

In steel spreading and smelting, these ceramic plates protect equipment from molten steel and slag. They rest under crucibles or develop barriers inside ladles. The material does not react with the majority of metals, so it maintains the thaw clean. It likewise lasts longer than conventional refractory bricks in severe shop conditions.

Ceramic and Glass Production

Glass and ceramic manufacturers use diamond mullite plates as setters, shelves, and assistance beams in shooting tunnels. Home plates remain flat and smooth also after lots of shootings. This prevents bending of delicate products like tiles, hygienic ware, or optical glass. Their reduced thermal growth aids avoid abrupt breakage during rapid temperature adjustments.

Chemical and Petrochemical Plant Kingdoms

These plates manage destructive gases and acidic settings. Plants install them in activators, flue ducts, and waste incinerators. The thick microstructure blocks chemical infiltration. That suggests less replacements and less downtime for upkeep.

Power Generation and Waste Incineration

In power stations and waste-to-energy facilities, the plates secure central heating boiler tubes and combustion chambers. They sustain fly ash disintegration and thermal shock from changing tons. Operators pick them for dependability in continuous, high-stress operations. Diamond mullite ceramic plates incorporate firmness, thermal stability, and chemical resistance. This makes them a smart choice any place extreme warm and wear endanger regular products. Engineers trust them to execute every day without failure.

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.

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

5 FAQs of Corundum Mullite Ceramic Plate

Frequently Asked Questions About Corundum Mullite Ceramic Plates

What is a corundum mullite ceramic plate?

A corundum mullite ceramic plate is made from high-purity alumina and mullite. It has strong heat resistance and good mechanical strength. This material works well in very hot or harsh environments.

Where are these plates used?

These plates are common in industries like metallurgy, glass making, and chemical processing. They line furnaces, support kiln shelves, and protect equipment from high heat and wear. Their stability at high temperatures makes them ideal for thermal insulation and structural parts.

Why choose corundum mullite over other ceramics?

Corundum mullite offers better thermal shock resistance than many standard ceramics. It also resists corrosion from molten metals and slags. Its combination of hardness, durability, and performance under stress gives it an edge in demanding applications.

Can these plates handle rapid temperature changes?

Yes. The mix of corundum and mullite lowers thermal expansion. This helps the plate stay intact during fast heating or cooling. That’s why it’s trusted in settings where temperature shifts happen often.

How long do corundum mullite ceramic plates last?

Their service life depends on operating conditions. In normal high-temperature use with proper handling, they can last for years. Their dense structure resists wear, erosion, and chemical attack, which helps extend their lifespan significantly.