Overview of Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible

Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible 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 Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible

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.

(Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible)

Specification of Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible

This alumina ceramic crucible deals with severe heat well. It’s made from over 95% aluminum oxide (Al2O3). This material is incredibly pure. That purity provides it terrific toughness. It holds up against temperature levels up to 1750 ° C continually. Brief ruptureds get to even greater, near 1800 ° C. You need this for serious melting or warm treatments.

The material doesn’t respond quickly. Acids and bases normally do not affect it. This chemical stability is essential. It suggests your sample stays pure. Contamination isn’t a problem. You get trustworthy outcomes every time.

Thermal shock resistance is one more big plus. The crucible takes care of fast temperature level modifications. Relocate from warm to cool promptly is generally great. It won’t fracture easily. This sturdiness makes lab work less complex. You do not stress over damaging it continuously.

Physically, it’s extremely thick and hard. This density quits liquids or gases leaking via. Your liquified metals sit tight. Its hardness implies it lasts. It stands up to scrapes and put on. You get lengthy life span, despite hard materials inside.

The surface area is very smooth. This makes cleaning straightforward. Nothing sticks stubbornly. You wipe it out easily after usage. This conserves time and trouble.

These crucibles help many jobs. Individuals use them for thawing metals like gold or platinum. They’re ideal for evaluating ashes. High-temperature chain reaction need them. Shooting porcelains or glasses typically uses them. They are necessary tools in research study labs. Industrial foundries rely upon them daily.

(Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible)

Applications of Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible

Alumina ceramic crucibles manage severe warm. They are necessary in several requiring setups. Laboratories use them daily. These crucibles thaw samples safely. They examine products accurately. Heats are no problem.

Steel processing relies on them. Crucibles thaw rare-earth elements like gold and silver. They melt platinum as well. Managing liquified steel requires toughness. Alumina crucibles supply this. They withstand chemical strike from molten materials. This avoids contamination. Pure outcomes are essential.

Crystal growth requires stable containers. Alumina crucibles are ideal. They hold materials at really high heat for extended periods. This atmosphere helps crystals form appropriately. Consistent top quality issues right here. Alumina delivers reliability.

Industrial stimulant production makes use of these crucibles. They calcine stimulant materials. This procedure needs intense heat. Alumina stands up to the problems. Crucibles need to not respond with the chemicals. Alumina provides exceptional chemical resistance. Product pureness depends upon this.

These crucibles work in strong chemical settings. Acids and alkalis don’t conveniently damage them. This chemical stability is crucial. It ensures long service life. Crucibles last with lots of heating cycles. This conserves cash in time. Customers stay clear of constant replacement.

Mechanical strength is one more benefit. Alumina crucibles resist thermal shock. Sudden temperature modifications create much less splitting. They handle rough handling far better than many products. Toughness reduces damage risks. Operators depend on them for demanding jobs.

Warmth transfer performance is good. Alumina carries out heat well. This permits uniform heating inside the crucible. Samples melt evenly. Reactions proceed regularly. Reliable performance is ensured.

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 Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible

What temperatures can alumina ceramic crucibles handle?
Alumina crucibles withstand extreme heat. They work reliably up to 1750°C (3182°F) in air. Short bursts near 1800°C (3272°F) are possible. Avoid exceeding this limit. Crucibles weaken and might fail.

What chemicals attack alumina crucibles?
Alumina resists many chemicals well. Strong acids like sulfuric or hydrochloric acid damage it, especially when hot. Strong bases like sodium hydroxide also attack it. Molten alkalis and acidic salts cause problems. Stick to neutral or basic melts.

How long does an alumina crucible last?
Lifespan depends heavily on use. Frequent high temperatures shorten it. Rapid heating or cooling causes cracks. Contact with corrosive chemicals eats away material. Rough handling chips the surface. Expect multiple uses with careful operation. Inspect crucibles regularly for cracks or thinning.

How do I clean an alumina crucible?
Clean after each use. Let the crucible cool completely first. Sudden cooling cracks it. Remove loose residue mechanically. Use a soft brush or tool. Soak in dilute acid or solvent if needed, but avoid strong acids. Rinse thoroughly with water. Dry completely before reheating.

Why pick alumina over other crucible materials?
Alumina offers a great balance. It handles much higher heat than metals like platinum. It costs less than platinum or rhodium. It resists chemical attack better than quartz. Its strength beats porcelain crucibles. It’s the practical choice for demanding high-temperature work.

(Alumina Heat-resistant Ceramic Al2O3 Ceramic Crucible)