Overview of High Temperature Kiln Used Mullite Ceramic Disc

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 High Temperature Kiln Used Mullite Ceramic Disc

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 High Temperature Kiln Used Mullite Ceramic Disc

High-Temperature Kiln Mullite Porcelain Disc– Technical Specifications

Product Composition

Mullite ceramic types the core of this disc. It includes over 70% mullite crystals, with small amounts of alumina and silica. This mix gives the disc strong resistance to warm and wear.

Temperature level Efficiency

The disc functions securely at temperature levels up to 1,650 ° C (3,002 ° F). It keeps its form and stamina even after long exposure to high warm. Thermal shock resistance is outstanding– sudden temperature level adjustments will certainly not crack or damage it.

Physical Features

Common density ranges from 2.4 to 2.6 g/cm THREE. Porosity remains below 18%, which aids block gas and liquid penetration. The disc reveals low thermal expansion, so it increases really little when warmed. This attribute reduces anxiety throughout heating and cooling cycles.

Mechanical Toughness

Cold crushing strength gets to 80– 120 MPa. Flexural stamina is between 25 and 40 MPa. These values ensure the disc holds up under mechanical load inside kilns or heating systems.

Dimensions and Tolerances

Standard diameters range from 50 mm to 300 mm, with densities from 5 mm to 25 mm. Personalized sizes are available on request. Dimensional resistance is ± 0.5 mm for diameter and ± 0.2 mm for density, making certain a specific suit the majority of commercial configurations.

Chemical Resistance

The disc stands up to strike from acids, alkalis, and molten steels. It continues to be secure in oxidizing and reducing environments. This makes it ideal for use in glass, steel, and ceramic production.

Applications

Common uses include kiln racks, heater nozzles, assistance plates, and insulation components. Its dependability in extreme environments makes it a leading choice for continuous high-temperature procedures.

Applications of High Temperature Kiln Used Mullite Ceramic Disc

Applications of High-Temperature Kiln-Used Mullite Ceramic Disc

Why Mullite Ceramic Discs Are Relied On Demanding Atmospheres

Mullite ceramic discs made for high-temperature kilns use solid performance where heat and wear are constant obstacles. These components keep their form and strength even when revealed to extreme temperatures over extended periods. Industrial Furnaces and Kilns Factories use mullite discs as support shelves, setters, or rollers inside kilns. They hold heavy tons without buckling. Their reduced thermal expansion implies they resist splitting throughout rapid heating or cooling cycles. This makes them perfect for firing ceramics, glass, and advanced products. Metallurgy and Heat Treatment In metal handling, these discs serve as insulating barriers or protective plates. They aid regulate warm flow and guard delicate parts from direct flame or molten steel sprinkle. Their chemical stability prevents reactions with steel vapors or slags. Semiconductor and Electronic Devices Manufacturing Clean, secure atmospheres are necessary in chip manufacturing. Mullite ceramic discs serve as wafer providers or chamber linings in high-temperature diffusion or annealing steps. They do not release impurities and preserve dimensional accuracy under thermal stress. Study and Lab Usage Labs count on these discs for example holders or furnace components. Their pureness and repeatability ensure consistent experimental outcomes. Scientist worth their capacity to stand up to duplicated thermal biking without deterioration. Mullite’s all-natural composition– rich in alumina and silica– gives it excellent resistance to thermal shock, deterioration, and creep. Unlike several various other porcelains, it stays hard even over 1500 ° C. This reliability decreases downtime and replacement expenses in continual industrial operations. Individuals throughout fields pick mullite ceramic discs since they provide foreseeable efficiency under the most difficult problems.

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 High Temperature Kiln Used Mullite Ceramic Disc

Frequently Asked Questions About High-Temperature Kiln Mullite Ceramic Discs

What is a mullite ceramic disc?

A mullite ceramic disc is a round, flat component made from mullite—a special type of high-purity ceramic. It can handle very high temperatures without breaking or changing shape. People use it inside kilns for support, insulation, or as a base for firing other materials.

Why choose mullite over other ceramics?

Mullite keeps its strength even when heated above 1,500°C. It resists thermal shock better than many other ceramics. That means it won’t crack easily when the temperature changes fast. It also has low thermal expansion and stays stable during repeated heating and cooling cycles.

Where are these discs used?

These discs are common in industrial kilns, laboratory furnaces, and ceramic production lines. They work well as setters, shelves, or protective layers under delicate items like porcelain, glass, or technical ceramics during firing.

How long do mullite ceramic discs last?

With proper use, a mullite disc can last for hundreds of firing cycles. Its life depends on operating temperature, load weight, and how often it’s heated and cooled. Avoid sudden temperature shifts and heavy impacts to get the longest service life.

Can I customize the size or thickness?

Yes. Most manufacturers offer custom diameters, thicknesses, and even hole patterns. Just tell them your kiln dimensions and application needs. Custom discs ensure a perfect fit and better performance in your specific setup.