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PRODUCT PARAMETERS
Description
Overview of Mullite Crucible
Mullite crucibles are made from a high-performance ceramic material composed primarily of alumina (Al₂O₃) and silica (SiO₂). Known for their excellent thermal stability and mechanical strength, mullite crucibles are widely used in high-temperature applications such as melting metals, glass, and ceramics. They offer superior resistance to thermal shock and chemical attack, making them indispensable in both laboratory and industrial settings.
Features of Mullite Crucible
Thermal Shock Resistance: Exceptional ability to withstand rapid temperature changes without cracking.
High Mechanical Strength: Strong and durable, even at elevated temperatures.
Chemical Stability: Resistant to most chemicals, ensuring minimal contamination during processes.
Temperature Range: Can operate effectively at temperatures up to 1650°C.
Low Thermal Expansion: Minimal expansion or contraction with temperature changes, ensuring dimensional stability.
Non-Reactive: Does not react with the materials being processed, preserving sample purity.
Versatility: Suitable for a wide range of applications including metallurgy, glass manufacturing, and laboratory experiments.

Specifications of Melting al2o3 alumina crucible ceramics
Specs of Melting Al Two O Four Alumina Crucible Ceramics
Product Make-up
High-purity alumina (Al ₂ O SIX) creates the base of these crucibles. The common purity degree is 99.5% or greater. This guarantees strong resistance to chemical reactions and high-temperature stability. No binders or ingredients are made use of that can lower efficiency.
Temperature Resistance
These crucibles take care of temperature levels approximately 1700 ° C (3092 ° F) in oxidizing ambiences. They remain stable under duplicated home heating and cooling cycles. Thermal shock resistance is great yet not as high as some other porcelains, so progressive temperature level changes are best.
Physical Characteristics
The density varies from 3.6 to 3.9 g/cm FIVE. Solidity is around 9 on the Mohs range, making the surface area really scratch-resistant. The product is non-porous when properly sintered, which protects against contamination throughout melting procedures.
Chemical Resistance
Alumina crucibles stand up to strike from most acids, alkalis, and molten metals. They work well with products like glass, salts, and oxides. Nonetheless, they should not be made use of with hydrofluoric acid or strong alkalis at heats, as these can cause damage.
Common Sizes and Shapes
Standard forms consist of cyndrical tubes, watercrafts, and dishes. Levels variety from 10 mm to 100 mm. Sizes commonly go from 15 mm to 150 mm. Wall thickness varies based upon dimension however usually stays between 1.5 mm and 5 mm for balance between stamina and warmth transfer.
Applications
These crucibles are extensively made use of in research laboratories and industrial settings for melting, calcining, and ashing. Usual uses consist of example preparation for XRF analysis, metal alloy testing, and ceramic shooting. Their clean, inert surface ensures exact results without cross-contamination.

Applications of Melting al2o3 alumina crucible ceramics
Applications of Thawing Al ₂ O Three Alumina Crucible Ceramics
High-Temperature Steel Processing
Melting Al ₂ O six alumina crucibles take care of extreme warmth without damaging down. They are commonly utilized in foundries and metal laboratories to thaw and hold reactive or high-purity steels like platinum, gold, and uncommon earth aspects. Their strong framework keeps the metal tidy and devoid of contamination.
Glass and Optical Material Production
These crucibles function well in glassmaking. They withstand chemical reactions with molten glass, which aids maintain optical clarity intact. Manufacturing facilities use them to produce specialized glasses for lenses, optical fiber, and present panels where pureness matters most.
Semiconductor and Electronic Devices Manufacturing
In semiconductor production, even little contaminations ruin a set. Alumina crucibles use a secure, non-reactive surface area for melting resources made use of in wafer fabrication. Their thermal stability supports specific temperature level control throughout crystal development processes like Czochralski drawing.
Research Laboratory and Research Study Use
Research study laboratories rely upon these crucibles for example prep work and high-temperature experiments. Researchers use them to fuse powders, analyze minerals, or examine new ceramic structures. The product’s inert nature ensures examination outcomes remain accurate and repeatable.
Industrial Waste and Slag Handling
Some markets use alumina crucibles to have hostile slags or harsh waste at heats. Their resistance to acids, antacid, and oxidation makes them ideal for extreme chemical environments where various other containers would certainly fall short promptly.
Specialized Alloy Growth
When creating brand-new superalloys for aerospace or power applications, designers require containers that will not modify the mix. Thawing Al ₂ O four crucibles give that reliability. They keep honesty through repeated home heating cycles and aid protect precise alloy chemistry.
Company Introduction
Welcome to Teen-Hot,a leading global supplier of high-quality crucibles designed for various industrial applications. We offer an extensive range of crucibles, including graphite, ceramic, and metal varieties, tailored to meet the needs of foundries, laboratories, and manufacturers. Our products are renowned for their durability, thermal resistance, and precision engineering, ensuring optimal performance in melting and heat treatment processes. With advanced manufacturing facilities and a commitment to excellence, we provide reliable, cost-effective solutions worldwide. Partner with us for your crucible needs and experience superior quality, expert support, and timely delivery.
If you have any questions, 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 Melting al2o3 alumina crucible ceramics
Frequently Asked Questions About Melting Al₂O₃ Alumina Crucible Ceramics
What is an alumina crucible made of?
An alumina crucible is made from high-purity aluminum oxide (Al₂O₃). This material can handle very high temperatures without breaking down. It also resists most chemicals, which makes it safe for melting metals and other materials.
Why choose an alumina crucible over other types?
Alumina crucibles work well at temperatures up to 1700°C. They do not react easily with molten metals or slags. Compared to graphite or quartz crucibles, they offer better chemical stability and longer life in harsh conditions.
Can I use this crucible for melting steel or iron?
Yes, you can melt steel, iron, and many other alloys in an alumina crucible. Just make sure the operating temperature stays below 1700°C. Also, avoid contact with strong reducing agents, as they may damage the crucible over time.
How do I handle and install the crucible safely?
Always wear heat-resistant gloves and eye protection. Place the crucible gently into the furnace to prevent cracks. Preheat it slowly before full use. Sudden temperature changes can cause breakage.
How long does an alumina crucible last?
Lifespan depends on how you use it. With proper preheating, steady heating, and clean handling, it can last many cycles. Avoid thermal shock, mechanical stress, and aggressive slags. These will shorten its life. Regular inspection helps catch small cracks early.
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