Overview of Rectangular Corundum Mullite Ceramic Sagger Tray Crucible for Refractory Kiln

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 Rectangular Corundum Mullite Ceramic Sagger Tray Crucible for Refractory Kiln

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 Rectangular Corundum Mullite Ceramic Sagger Tray Crucible for Refractory Kiln

Rectangular Corundum Mullite Ceramic Sagger Tray Crucible

Secret Specifications

This rectangle-shaped sagger tray is made from high-purity diamond and mullite. It provides outstanding thermal security and strong resistance to thermal shock. The product composition guarantees lengthy life span also under duplicated high-temperature cycles. The typical measurements are 300 mm × 200 mm × 50 mm (L × W × H), yet custom-made sizes are offered upon request. Wall density ranges from 10 mm to 20 mm, relying on the application requires. Each device is precisely developed to maintain regular shape and flatness after firing. Temperature Resistance: This crucible withstands continual use up to 1650 ° C (3002 ° F). Temporary direct exposure can reach 1700 ° C without contortion or breaking. Density: The bulk thickness is between 2.6 g/cm ³ and 2.8 g/cm four. This gives a great equilibrium of toughness and thermal insulation. Porosity: Noticeable porosity is maintained below 18%. Low porosity aids prevent contamination and enhances mechanical toughness. Chemical Security: The sagger withstands strike from most oxides and slags. It continues to be inert in oxidizing ambiences, making it excellent for ceramic, electronic, and metallurgical applications. Surface Complete: All surfaces are smooth with very little roughness. Edges are meticulously chamfered to reduce damaging during handling. Each tray goes through strict quality control. We evaluate for fractures, warping, and dimensional accuracy prior to delivery. The item satisfies global standards for refractory porcelains utilized in industrial kilns. These saggers work well in set and passage kilns. They support heavy tons without drooping. Their design allows easy piling and efficient use kiln space. Individuals report fewer breakages and more regular shooting results compared to standard alumina trays.

Applications of Rectangular Corundum Mullite Ceramic Sagger Tray Crucible for Refractory Kiln

Applications of Rectangular Diamond Mullite Porcelain Sagger Tray Crucible

High-Temperature Security for Requiring Processes

The rectangle-shaped diamond mullite ceramic sagger tray crucible is constructed to manage extreme warmth. It stays solid and secure also at temperature levels above 1600 ° C. This makes it ideal for usage in refractory kilns where various other products would certainly fall short or flaw. Sturdy Defense for Delicate Products This crucible acts as a protective container during shooting. It guards powders, porcelains, and specialty alloys from straight flame call and contamination. Its dense framework stops unwanted responses with the lots inside. Individuals count on it to maintain item pureness in technical porcelains, digital parts, and progressed materials producing. Constant Efficiency Across Cycles Thanks to its low thermal expansion and high resistance to thermal shock, the sagger tray holds up well over repeated heating and cooling cycles. It does not split quickly. This integrity lowers downtime and replacement prices in continuous manufacturing environments. Flexible Usage in Industrial Kilns Factories utilize these rectangular trays in passage kilns, batch kilns, and shuttle kilns. Their consistent shape allows for effective stacking and loading. The flat base and straight walls aid maximize area while ensuring even warm circulation around the components. Low Porosity, High Pureness Made from premium-grade diamond and mullite, the crucible has very low porosity. This restricts absorption of gases or residues during shooting. Therefore, it supports cleaner handling and decreases cross-contamination in between sets. These attributes make the rectangular corundum mullite ceramic sagger tray crucible a relied on option for industries that require accuracy, tidiness, and lengthy service life under severe thermal 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 Rectangular Corundum Mullite Ceramic Sagger Tray Crucible for Refractory Kiln

Frequently Asked Questions

What is a rectangular corundum mullite ceramic sagger tray used for?

This tray holds materials inside high-temperature kilns. It protects products from direct flame contact and keeps the kiln clean. People use it in ceramics, electronics, and metallurgy industries.

Why choose corundum mullite over other refractory materials?

Corundum mullite offers strong heat resistance and lasts longer under repeated heating cycles. It resists thermal shock better than many alternatives. The material also maintains its shape and strength at very high temperatures.

What temperature range can this sagger tray handle?

The tray works well up to 1750°C (3182°F). It stays stable and does not crack easily within normal operating conditions of most industrial kilns.

How long does the sagger tray last?

Life span depends on usage frequency, temperature, and handling. With proper care, one tray can survive hundreds of firing cycles. Avoid sudden temperature changes and rough handling to extend its service life.

Can I customize the size or shape of the tray?

Yes. Most manufacturers offer custom dimensions based on your kiln setup and product needs. Provide your required length, width, height, and wall thickness. Custom orders may take longer to produce but ensure a perfect fit for your process.