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 precision-engineered vessels made from 99%+ pure aluminum oxide (Al₂O₃). Designed for high-temperature and corrosive environments, they are widely used in semiconductor processing, heat treatment, CVD/PVD applications, and laboratory experiments. Their superior thermal and chemical stability ensures reliable performance under extreme conditions.

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

Extreme Temperature Resistance – Stable up to 1800°C with low thermal expansion.

Superior Chemical Resistance – Resists acids, alkalis, and aggressive gases.

High Mechanical Strength – Durable and resistant to thermal shock.

Precision Design – Smooth surfaces & uniform dimensions for consistent processing.

Customizable Shapes & Sizes – Available in standard and tailored configurations.

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

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

This ceramic crucible comes from China. It is produced melting steels in furnaces. The product has a boat form. It includes a cover. The material is high alumina ceramic. This indicates it has a high amount of aluminum oxide (Al2O3). The alumina content is usually over 90%. This high degree allows the crucible manage severe warm. It is a refractory item. Refractory materials resist heat and wear. This crucible is solid and durable. It does not break under thermal anxiety. The high alumina also provides chemical stability. The crucible does not respond with a lot of steels. It is secure for melting rare-earth elements like gold and silver. It functions well with copper, aluminum, and other alloys. The watercraft shape is functional. It enables very easy pouring of liquified steel. The cover serves. It aids manage the melting procedure. The cover reduces heat loss. It likewise keeps dust and pollutants out. The crucible is made from high-grade aluminum clay. This clay is processed and discharged at extremely high temperatures. The outcome is a thick, difficult ceramic. This ceramic crucible handles thermal shock well. Thermal shock takes place when temperature level modifications quick. The crucible does not split. It lasts longer than regular crucibles. You can use it sometimes. It is economical in time. The crucible fits labs and industrial foundries. It works in electric heating systems. It works in gas heaters. The item is dependable for consistent metal melting. Its layout and product make sure reliable performance.

(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

China high alumina Al2O3 ceramic watercraft crucibles are built hard for significant steel melting work. These crucibles take care of extreme heat inside furnaces. They resist melting or cracking under intense temperatures. Pure alumina ceramic makes them exceptionally resilient. This material endures duplicated home heating and cooling cycles. You obtain lots of uses from one crucible. It conserves cash in time.

The high alumina material supplies excellent chemical security. Molten steels like light weight aluminum, copper, brass, or zinc will not respond quickly with the crucible walls. This maintains your metal melt pure. Contamination threats are low. You obtain constant outcomes set after batch. The smooth surface likewise assists put easily.

These boat-shaped crucibles provide an excellent working location. Their design enables efficient mixing and skimming of dross. You take care of the melt efficiently. The consisted of cover is crucial. It catches warm inside the crucible. This accelerates melting times. It saves energy prices. The cover likewise secures the molten metal. It stops sprinkling. It lowers oxidation from air direct exposure. This preserves steel top quality.

Thermal shock resistance is a significant plus. You can heat up the crucible fast. Unexpected temperature modifications cause less anxiety. The crucible won’t break easily. This reliability is essential in foundry job. Downtime is decreased. Handling is safer also. The ceramic keeps solid also after lots of heating system runs. Its lengthy lifespan makes it a functional option. Workers trust its performance melting different non-ferrous metals daily.

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

Here are five common questions about our China-made high alumina ceramic crucibles for metal melting:

What is this crucible made from?
This crucible uses high-purity alumina clay. The main material is Al2O3. This makes it very heat resistant. It handles extreme furnace temperatures well. The material is strong against chemical reactions too.

How hot can it get?
This crucible withstands continuous temperatures up to 1700°C. It handles sudden temperature changes well. Don’t push it beyond its rated limit. This prevents cracking or damage.

Why is it called “high alumina”?
“High alumina” means the clay has a very high percentage of aluminum oxide. This is Al2O3. More Al2O3 means better performance. It gives superior heat resistance and strength compared to regular fireclay.

Do I need the cover?
Yes, the cover is important. It helps contain heat inside the crucible. This makes melting metals faster and more efficient. The cover reduces heat loss. It also protects the molten metal from contamination.

How do I clean it after use?
Let the crucible cool down completely first. Remove any leftover metal slag carefully. Use a soft brush or cloth. Avoid harsh tools that scratch the surface. Rinse it gently if needed. Make sure it’s totally dry before using it again.

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