Overview of High Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting

High Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting is manufactured from high-purity aluminum oxide (Al₂O₃, 95%-99.8%), offering exceptional mechanical strength and thermal stability. These components are precision-engineered to meet strict tolerances, ensuring reliable performance in demanding environments. With a maximum operating temperature of 1800°C, they are widely used across industries including semiconductor, automotive, chemical processing, and medical equipment. Available in various shapes (rods, tubes, plates, washers) and surface finishes to suit specific application requirements.

Key Features of High Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting

Extreme Temperature Resistance – Withstands continuous operation up to 1800°C

Superior Mechanical Properties – High hardness (Mohs 9) and compressive strength

Excellent Wear & Corrosion Resistance – Outlasts metals in abrasive environments

Electrical Insulation – High dielectric strength for electronic applications

Chemical Inertness – Resistant to acids, alkalis and molten metals

Precision Manufacturing – Tight tolerances (±0.01mm) for critical applications

(High Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting)

Specification of High Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting

These crucibles handle severe warmth. They are made from a special ceramic mix. This mix is mainly aluminum oxide, concerning 80%. The rest is zirconium oxide. This mix creates an extremely tough material. It holds up against temperatures as much as 1750 levels Celsius. That’s hot sufficient to melt platinum or palladium easily. These crucibles resist sudden temperature changes well. You can heat them fast. You can cool them quick. They won’t fracture conveniently. This is thermal shock resistance. It is essential for numerous melting jobs.

The product is extremely thick. Its density is about 3.7 grams per cubic centimeter. This high density stops molten steel from saturating right into the crucible wall surfaces. Your steel stays pure. It additionally makes the crucible more powerful. It lasts longer. The surface area within is really smooth. This smoothness assists pour liquified steel easily. It leaves less residue behind. Much less metal sticks. You save material. You obtain cleaner results.

These crucibles fight chemical strike. They withstand damages from acids and bases. They work well in hard lab problems. They benefit thawing rare-earth elements like gold and silver. They work for platinum group metals as well. They are useful in study laboratories. They fit little shop job. They handle repeated home heating cycles. Their strength and warmth resistance make them trustworthy. They are a useful option for requiring high-temperature jobs. They function great for platinum or laboratory tests. They handle alloys needing pure melts.

(High Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting)

Applications of High Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting

High warm resistance light weight aluminum oxide ceramic alumina zirconia ceramic crucibles are essential devices for melting demanding products. They handle extreme temperatures extremely well. This makes them best for foundries and laboratories working with steels and alloys. Crucibles made from alumina mixed with zirconia deal exceptional stamina. They withstand damage far better than various other types. This durability suggests they last much longer under challenging conditions.

Thermal shock resistance is a key benefit. These crucibles won’t fracture easily when heated up or cooled down quickly. Sudden temperature modifications are common in thawing procedures. This integrity stops costly failings and unsafe spills. You can use them repetitively without worrying about unexpected breaks. This conserves money gradually.

These crucibles are chemically inert. They do not react with most molten metals or slags. This maintains your thaw pure. You obtain regular outcomes batch after batch. Impurities from the crucible itself will not destroy your product. This is critical for quality assurance, especially with rare-earth elements like gold or platinum. Jewelry makers and refineries count on this purity.

The applications are broad. They work for melting non-ferrous metals like copper, brass, and light weight aluminum. They additionally manage precious metals such as silver and gold. Specialized alloys utilized in aerospace or electronic devices often need these crucibles also. Labs use them for research and sample prep work. Their ability to endure high heat and chemical strike is unparalleled. Factories value their sturdiness for continuous production runs. Less downtime for crucible substitute implies greater outcome. They are just the very best selection for severe, high-temperature melting jobs where efficiency and safety matter most.

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 Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting

Here are five common questions about our high-heat aluminum oxide and alumina zirconia ceramic crucibles for melting:

What temperature can these crucibles handle?
Our alumina crucibles withstand temperatures up to 1700°C continuously. The alumina zirconia type handles even higher heat, reaching 1800°C. This makes them perfect for melting metals like gold, silver, copper, and platinum alloys safely.

Why choose alumina zirconia over pure alumina?
Alumina zirconia crucibles are tougher. They resist cracking much better during rapid heating or cooling cycles. This toughness comes from the zirconia addition. Pure alumina is still very good, but alumina zirconia offers extra durability for demanding jobs.

How long will one crucible last?
Crucible lifespan depends heavily on use. Factors include the specific metal melted, peak temperatures reached, and how often you heat and cool it. Handle the crucible carefully. Avoid sudden temperature shocks. Inspect it regularly for cracks or thinning walls. Replace it immediately if you see damage. A well-cared-for crucible provides many melting cycles.

Can these crucibles handle sudden temperature changes?
Yes, both types resist thermal shock well. This means they can handle going from room temperature to high heat, or back down, reasonably fast. The alumina zirconia version is especially strong here. Still, avoid extreme, rapid temperature swings whenever possible. Gentle heating and cooling is always best practice.

How do I clean a used crucible?
Always let the crucible cool down completely first. Never quench a hot crucible in water. Remove solidified metal slag carefully. Use gentle tools like a wooden or plastic scraper. Avoid metal tools that could scratch the ceramic surface. Light surface residue often burns off during the next heating cycle. For stubborn deposits, consult our specific cleaning guidelines.

(High Heat Resistance Aluminum Oxide Ceramic Alumina Zirconia Ceramic Crucibles for Melting)