Overview of Mullite Crucible

Mullite crucibles are made from a high-performance ceramic material composed primarily of alumina (Al₂O₃) and silica (SiO₂). Known for their excellent thermal stability and mechanical strength, mullite crucibles are widely used in high-temperature applications such as melting metals, glass, and ceramics. They offer superior resistance to thermal shock and chemical attack, making them indispensable in both laboratory and industrial settings.

Features of Mullite Crucible

Thermal Shock Resistance: Exceptional ability to withstand rapid temperature changes without cracking.
High Mechanical Strength: Strong and durable, even at elevated temperatures.
Chemical Stability: Resistant to most chemicals, ensuring minimal contamination during processes.
Temperature Range: Can operate effectively at temperatures up to 1650°C.
Low Thermal Expansion: Minimal expansion or contraction with temperature changes, ensuring dimensional stability.
Non-Reactive: Does not react with the materials being processed, preserving sample purity.
Versatility: Suitable for a wide range of applications including metallurgy, glass manufacturing, and laboratory experiments.

Specifications of 95 99 Alumina Ceramic Laboratory Crucible Corundum Crucible

95%– 99% Alumina Ceramic Lab Crucible (Diamond Crucible)

Material & Pureness

This crucible is made from high-purity alumina ceramic. The alumina web content ranges from 95% to 99%. This high purity provides the crucible excellent resistance to chemical assault and thermal shock. It includes extremely little pollutant, which assists prevent sample contamination throughout high-temperature processes.

Temperature Resistance

The crucible can stand up to continual use at temperatures up to 1650 ° C(3002 ° F). Short-term exposure is possible as much as 1750 ° C (3182 ° F). Its strong structure remains secure even under quick home heating or cooling cycles. This makes it optimal for demanding laboratory applications like ashing, blend, and calcination.

Chemical Stability

Strong acids, alkalis, and molten metals have little effect on this crucible. It stands up to deterioration from many laboratory reagents. Nevertheless, prevent using it with hydrofluoric acid or solid antacids options at high temperatures, as these can harm the surface area.

Physical Properties

The crucible has high hardness and low thermal expansion. Its dense microstructure stops liquid infiltration and decreases worldly loss. The smooth internal surface reduces sample attachment, making cleaning simpler after usage. Criterion forms consist of cylindrical and conelike types, with volumes from 5 mL to 100 mL.

Applications

This crucible is commonly made use of in study laboratories, quality control, and commercial testing. Usual usages include sample preparation for XRF analysis, high-temperature sintering, and melting of non-reactive products. It is likewise suitable for holding rare-earth element samples throughout fire assay procedures.

Dealing with Notes

Always preheat the crucible gradually before getting to high temperatures. Abrupt temperature adjustments might trigger splits. Usage ceramic-tipped tongs for safe handling. Shop in a completely dry location to stay clear of dampness absorption, which can damage the product in time.

Applications of 95 99 Alumina Ceramic Laboratory Crucible Corundum Crucible

Applications of 95– 99% Alumina Porcelain Laboratory Crucibles

High-Temperature Stability for Requiring Jobs

95– 99% alumina ceramic crucibles are built to handle severe warmth. They stay strong and secure even when temperatures exceed 1600 ° C. This makes them ideal for melting steels, fusing glass, or running high-temperature responses in research labs and industrial setups.

Chemical Resistance You Can Trust Fund

These corundum crucibles withstand attack from many acids, alkalis, and molten salts. Their thick alumina structure prevents undesirable reactions with sample products. That implies your results remain exact, and your crucible lasts longer– even after repeated usage with hostile chemicals.

Precision Operate In Analytical Labs

In logical chemistry, pureness issues. The high alumina web content makes sure marginal contamination during ashing, ignition, or sample prep work. Labs rely upon these crucibles for tasks like loss-on-ignition tests or preparing examples for spectroscopy since they do not launch contaminations that could alter data.

Durability Across Industries

Past the laboratory, these crucibles serve in metallurgy, porcelains, and electronics manufacturing. They stand up well throughout sintering, crystal growth, and thermal processing. Their mechanical toughness decreases damage throughout handling, while their thermal shock resistance enables quick home heating or cooling without cracking.

Clean and Recyclable Style

The smooth, non-porous surface makes cleansing very easy. Residues rub out or wash away cleanly, so the very same crucible can be reused many times without cross-contamination. This saves time and minimize replacement prices over the long run.

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 95 99 Alumina Ceramic Laboratory Crucible Corundum Crucible

What is a 95–99% Alumina Ceramic Crucible?

High-purity alumina ceramic

This crucible is made from 95% to 99% pure aluminum oxide (Al₂O₃). It offers excellent heat resistance and chemical stability. Scientists and lab technicians use it for high-temperature tasks like melting, ashing, or firing samples.

Why choose 95–99% alumina over other materials?

Better performance at high heat

Compared to porcelain or quartz, alumina crucibles handle much higher temperatures—up to 1700°C (3092°F). They also resist corrosion from acids, alkalis, and molten metals. This makes them ideal for demanding lab work where sample purity matters.

Can I reuse this crucible?

Yes, with proper care

These crucibles are durable and can be reused many times. Always let the crucible cool slowly after heating. Avoid sudden temperature changes. Clean it gently with soft brushes or mild solvents. Do not use metal tools that might scratch or chip the surface.

How do I prevent cracking during use?

Avoid thermal shock

Place the crucible in a cold furnace and heat it gradually. Never put a hot crucible on a cold surface or into water. Sudden cooling causes stress and may crack the material. Use tongs designed for high-temperature handling.

Is this crucible safe for all chemicals?

Mostly, but not all

It resists most acids and bases well. However, avoid using hydrofluoric acid (HF) or strong alkalis like sodium hydroxide at very high temperatures. These can react with alumina and damage the crucible. Always check chemical compatibility before starting your experiment.