Overview of Corundum Crucible

Corundum crucibles, made from alumina (Al₂O₃), are highly valued for their exceptional thermal resistance and chemical stability. These crucibles are ideal for high-temperature applications, such as melting and annealing processes in laboratories and industrial settings. Corundum crucibles can withstand temperatures up to 1800°C and are resistant to most chemical reagents, making them indispensable in various scientific and manufacturing operations.

Features of Corundum Crucible

High Thermal Resistance: Can withstand temperatures up to 1800°C without degrading.

Chemical Stability: Resistant to most acids and alkalis, ensuring minimal contamination during experiments or production.

Durability: Extremely durable and long-lasting, even under harsh conditions.

Non-Reactive: Does not react with the materials being processed, preserving sample purity.

Versatility: Suitable for a wide range of applications including melting metals, glass, and ceramics.

Precision Engineering: Manufactured to tight tolerances for consistent performance and reliability.

(Alumina Ceramic Refractory Corundum Crucibles For Melting Furnace)

Specification of Alumina Ceramic Refractory Corundum Crucibles For Melting Furnace

Alumina ceramic refractory diamond crucibles take care of extreme warmth in melting heating systems. These crucibles are made from high-purity light weight aluminum oxide. This material is diamond. It uses superior efficiency for melting steels and other materials. The alumina content is really high. Crucibles frequently include over 99% alumina. This high purity delivers exceptional results. The vital feature is extreme temperature resistance. These crucibles hold up against temperature levels far past 1700 ° C. Some qualities tolerate over 1800 ° C. This makes them ideal for melting most steels. Thermal shock resistance is another important residential property. The crucibles deal well with quick temperature adjustments. They stand up to cracking when heated or cooled quickly. This is important for furnace operations. Chemical inertness is essential. Alumina ceramic stands up to strike from many molten steels. It resists assault from slags and fluxes as well. This stops contamination of the melt. Crucible density is high. High thickness improves toughness. High density likewise enhances disintegration resistance. Mechanical toughness is substantial. Alumina ceramic is extremely tough. It offers great resistance to physical wear. Crucible wall surfaces need to be thick enough. Adequate wall surface density ensures longevity. Crucible shapes vary. Usual types consist of cylinders and cones. Sizes vary commonly to match different heater capabilities. Little crucibles hold a couple of kilos. Large crucibles hold numerous kgs. Surface area finish is normally smooth. A smooth surface helps prevent material sticking. It also helps cleaning after usage. These crucibles work well in induction heaters. They function well in resistance heating systems too. Typical applications consist of melting gold, silver, platinum, and copper alloys. They thaw nickel alloys and various commercial products. Correct handling extends crucible life. Avoid mechanical impacts. Comply with advised home heating and cooling down cycles.

(Alumina Ceramic Refractory Corundum Crucibles For Melting Furnace)

Applications of Alumina Ceramic Refractory Corundum Crucibles For Melting Furnace

Alumina ceramic crucibles offer essential duties in melting furnaces. These containers handle intense heat. They hold up against temperatures far past many materials. This makes them ideal for thawing steels. Gold, silver, copper, and platinum thaw inside them. Jewelers and rare-earth element refiners count on them daily. Laboratories utilize them for specific experiments calling for pure thaws.

The material itself is vital. Alumina ceramic, likewise called corundum, is extremely difficult. It stands up to chemical strike extremely well. Molten steels do not stay with it easily. Acids and bases usually don’t hurt it. This chemical stability is important. It maintains the thawed metal pure. Contamination damages batches. Alumina avoids this.

These crucibles manage unexpected temperature changes well. Moving a hot crucible does not fracture it. Duplicated heating and cooling cycles are convenient. This toughness implies they last longer. They conserve money with time. Operators do not change them as typically. They endure harsh managing much better than numerous options.

Their shape matters also. Typical layouts put cleanly. They reduce metal loss during transfer. Different dimensions fit different heater capabilities. Little ones fit bench-top devices. Big ones operate in industrial factories. High-purity alumina options exist for crucial applications needing outright marginal contamination. Furnace operators pick them for dependability under attack.

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 Alumina Ceramic Refractory Corundum Crucibles For Melting Furnace

What temperatures can these crucibles handle?
They withstand extreme heat. Alumina ceramic crucibles work well up to 1750°C. Some types go higher. Check the specific grade details. Match the crucible to your furnace’s peak temperature.

Are they prone to cracking from temperature changes?
Thermal shock resistance is good. They handle rapid heating and cooling cycles better than many materials. Avoid sudden extreme temperature swings. Pre-heating carefully helps prevent cracks.

Will the crucible react with my metal melt?
Alumina ceramic is highly inert. It resists attack from many molten metals. This includes gold, silver, copper, platinum. It works with some aluminum alloys. Avoid highly reactive metals like titanium or zirconium. Check chemical compatibility for your specific melt.

How long does one crucible typically last?
Lifespan varies. It depends on the melt temperature, the metal type, cycle frequency, and handling. High purity alumina crucibles offer excellent wear resistance. Expect many melting cycles under normal conditions. Proper care extends service life.

How should I clean and maintain the crucible?
Inspect for cracks before each use. Remove slag carefully after melting. Use appropriate tools. Avoid mechanical impact. Clean residues with compatible acids or mechanical methods suitable for alumina. Ensure it’s completely dry before reheating. Store in a dry place.

(Alumina Ceramic Refractory Corundum Crucibles For Melting Furnace)