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Overview of China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace
China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace 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 China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace
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.

(China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace)
Specification of China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace
Made from dense alumina ceramic product. This China high alumina Al2O3 ceramic boat crucible is built hard. It handles extreme heat. The alumina web content is really high. This gives superb resistance to put on. It withstands rapid home heating and cooling down cycles well. Thermal shock won’t quickly break it. The crucible works dependably in temperature levels up to 1800 ° C (3272 ° F). It benefits numerous steel melting work.
The ceramic is chemically stable. Molten metals like aluminum, copper, zinc, and lead alloys will not react much with it. This keeps your melt pure. Contamination is reduced. The surface is very smooth. Molten metal streams off conveniently. Sticking is lowered. Cleansing is less complex after usage.
This crucible features an equipped cover. The cover is essential. It aids contain warmth inside the heater. This conserves power. It additionally shields the liquified steel inside. Dust and other heating system debris stay out. The crucible shape is a watercraft style. This style provides a huge surface. Thawing happens much faster. Putting is straightforward.
Precise dimensions ensure it fits typical steel melting heating systems. The wall surfaces are thick. This provides added strength for long life span. It stands up to erosion and corrosion from aggressive changes or liquified steels. Anticipate regular performance set after batch. This crucible is a sensible choice for factories, jewelry experts, laboratories, and anybody melting non-ferrous metals. It offers longevity and integrity under requiring conditions. Manage it carefully. Prevent unexpected effects. Proper preheating prior to use is advised.

(China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace)
Applications of China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace
This ceramic crucible originates from China. It’s made for melting metal. The product is high alumina ceramic. Alumina is Al2O3. This ceramic is very solid against heat. It manages extreme temperatures well. Steel melting heaters get incredibly warm. This crucible stands up to that warmth. It won’t split easily.
The crucible consists of a cover. The cover is essential. It maintains warm inside the melting area. This helps thaw steel much faster. It saves power. The cover likewise secures. It quits warm metal from sprinkling out. This shields workers. It maintains the heating system area cleaner.
High alumina indicates great deals of Al2O3. This ceramic is dense. It withstands chemical attack. Molten metals are harsh. Aluminum, copper, brass, gold, silver strike several products. This alumina ceramic withstands them. It keeps the liquified steel pure. Much less contamination happens. You get better high quality metal castings.
The shape is a boat layout. This shape works well. It fits basic heaters. It’s simple to pour from. The ceramic is refractory clay ceramic. It takes care of thermal shock. Heating and cooling down cycles occur often. The crucible doesn’t damage down swiftly. It lasts lots of melting cycles. This conserves cash long term.
Use this crucible for precious metals. Jewelers thaw silver and gold. Factories melt light weight aluminum alloys. It works for copper alloys too. Labs use it for little metal examples. It supplies a trustworthy container. Graphite crucibles respond with some steels. Alumina ceramic avoids this problem. It’s more secure for light weight aluminum melting especially.
The ceramic surface area is smooth. Molten metal does not stick severely. Emptying is less complicated. Cleaning is simpler. Handle it thoroughly however. Alumina is tough however fragile. Avoid sharp effects. Do not quench it cool all of a sudden when warm. Allow it cool off gradually. Comply with fundamental safety guidelines. Put on safety equipment.
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 China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace
What exactly is this ceramic crucible made of?
It uses high-purity alumina clay. The main material is Al2O3 ceramic. This gives it excellent heat resistance. It’s designed specifically for harsh furnace conditions.
How hot can this crucible safely get?
It handles very high heat. The maximum continuous temperature is 1750°C (3182°F). Don’t exceed this limit. Going higher risks cracking or failure. Sudden temperature changes are also bad.
Will this crucible work for melting my specific metal?
It melts common metals well. Gold, silver, copper, and aluminum are fine. Avoid metals needing extreme heat beyond 1750°C. Don’t melt highly corrosive metals like titanium or zirconium. They damage the crucible.
How long can I expect this crucible to last?
Lifespan varies. It depends heavily on your usage. Melting temperature, cycle frequency, and metal type matter. Handle it carefully. Avoid impacts or rapid cooling. Proper care extends its life significantly.
Why does it come with a cover? Is the cover necessary?
The cover is important. It helps contain heat inside the crucible. This makes melting faster and more efficient. It reduces heat loss. The cover also protects the molten metal. It prevents contamination from furnace gases or debris. Use the cover for best results.

(China High Alumina Al2o3 Ceramic Boat Crucible Refractory Aluminum Clay Ceramic Crucible With Cover For Metal Melting Furnace)
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