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Overview of High Temperature Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3
High Temperature Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3 is high-performance ceramic containers made from 99%+ pure aluminum oxide (Al₂O₃). Designed for extreme thermal and chemical environments, they withstand temperatures up to 1800°C, making them ideal for laboratory, industrial, and research applications such as metal melting, sintering, and chemical analysis.
Key Features of High Temperature Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3
High-Temperature Resistance – Stable up to 1800°C with minimal thermal expansion.
Superior Thermal Shock Resistance – Resists cracking under rapid temperature changes.
Chemical Inertness – Unaffected by acids, alkalis, and molten metals.
High Mechanical Strength – Durable and long-lasting under harsh conditions.
Customizable Sizes & Shapes – Available in standard and tailored designs.

(High Temperature Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3)
Specification of High Temperature Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3
This ceramic sagger crucible utilizes corundum mullite material. The core make-up is alumina (Al2O3). It offers exceptional high temperature resistance. This material takes care of extreme warmth effectively. It performs dependably in atmospheres exceeding 1750 ° C. Long-lasting use near 1700 ° C is possible. This makes it ideal for requiring furnace applications.
Thermal shock resistance is another vital stamina. The crucible endures quick heating and cooling cycles. It stands up to cracking under abrupt temperature level changes. This resilience is vital for repeated commercial usage. It also supplies excellent chemical security. The material resists assault from many liquified metals, slags, and glasses. Acids and antacid cause very little erosion. This inertness protects the pureness of materials refined within.
Mechanical stamina is consistently high. The crucible keeps its shape under heavy tons. It withstands deformation also at peak temperature levels. Put on resistance transcends. This expands the crucible’s operational lifespan considerably. It reduces substitute costs. Thickness is carefully managed. A common thickness range is 2.7 to 3.0 g/cm ³. This equilibrium makes sure toughness without unnecessary weight.
These properties make this crucible crucial for kiln furniture. It serves reliably as setters, plates, and supports. The material masters sintering uncommon planet elements. It takes care of technical porcelains firing flawlessly. Metal casting and warmth therapy processes gain from its security. Glass melting and enamel frit manufacturing depend on its inert surface area. Laboratories utilize it for high-purity sample preparation. Foundries depend on it for molten metal containment. It supplies a steady, non-reactive container. The Al2O3 web content is commonly high, often 65% or even more. This guarantees efficiency.

(High Temperature Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3)
Applications of High Temperature Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3
These ceramic saggers and crucibles are built tough. They use a special mix of corundum and mullite. Alumina (Al2O3) is the cornerstone. This mix provides incredible toughness at high warmth. They deal with temperatures much beyond 1500 ° C easily. Some qualities work accurately past 1600 ° C. This makes them perfect for severe heater work.
Thermal shock is no large trouble for them. They resist fracturing when temperature levels change quick. This is vital for repeated home heating and cooling down cycles. Their density is really high. This quits liquified metals and extreme chemicals from taking in. Crucibles remain clean and last longer. Your products stay pure.
Their main work is consisting of stuff in super-hot heaters. Use them for thawing steels like platinum, palladium, or gold. They work excellent for rare planet elements also. They are essential for expanding single crystals under warm. Sintering innovative ceramics needs their security. Discharging special electronic porcelains relies on them.
They are vital in producing lithium battery products. Believe cathode and anode powders. Handling various other high-purity powders needs these ceramics. The crucibles will not add unwanted stuff to your melt. Saggers secure sensitive products throughout shooting. They offer a secure, non-reactive atmosphere. This makes sure constant, top quality results whenever.
Company Profile
Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.
Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

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 Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3
This material is corundum mullite ceramic. It combines alumina (Al2O3) and mullite. This mix gives it special high-temperature properties.
What is this material made from?
It’s mainly alumina (Al2O3) and mullite. Alumina provides hardness and strength. Mullite adds excellent thermal shock resistance. They work well together.
How hot can it handle?
This ceramic withstands very high temperatures. It operates reliably up to about 1650°C (around 3000°F). It stays stable under intense heat.
Why use it for crucibles and saggers?
Its high temperature limit is key. Crucibles hold molten metals. Saggers protect items during firing. The material won’t melt or deform. It keeps its shape and protects contents.
Is it strong? Does it last?
Yes. It has high mechanical strength. It resists wear and abrasion well. Crucibles face rough handling and chemical attack. This material endures that. Crucibles last longer.
Any special handling needed?
Handle it carefully. Avoid sharp impacts before use. Thermal shock resistance is good. Still, avoid very rapid heating or cooling. Follow recommended furnace ramp rates. This prevents cracking.
This material is essential for demanding high-heat processes. It offers reliability and long service life.

(High Temperature Resistance Corundum Mullite Ceramic Sagger Mullite Alumina Ceramic Crucible Material Al2O3)
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