What is a Ceramic Crucible?

A ceramic crucible is a heat-resistant container made from ceramic materials such as alumina, zirconia, magnesia, or porcelain. It is designed to withstand extremely high temperatures and is used for melting, heating, and chemical reactions of various substances.

What Does a Ceramic Crucible Do?

Ceramic crucibles are primarily used for:

1. Melting Metals & Alloys – Used in metallurgy and jewelry making.
2. Chemical Reactions – Employed in laboratories for experiments involving high temperatures.
3. Material Testing – Crucibles help in ashing, calcining, and heat treatment processes.
4. Glass & Ceramic Manufacturing – Used in the production of glass, ceramics, and advanced materials.
5. Foundries & Smelting – Essential in the casting and refining of metals.

Fields Where Ceramic Crucibles Are Used

1. Metallurgy & Foundries – Used for melting and refining metals.
2. Laboratories & Research – Common in chemical analysis and high-temperature experiments.
3. Jewelry Making – Used to melt gold, silver, platinum, and other precious metals.
4. Glass & Ceramic Industry – Helps in the creation of specialized glass and ceramics.
5. Aerospace & Electronics – Used in manufacturing high-performance materials.

How to Choose a Suitable Ceramic Crucible?

When selecting a ceramic crucible, consider the following factors:

1. Material Composition
   • Alumina (Al₂O₃) – High-temperature resistance (up to 1800°C), good for metal melting.
   • Zirconia (ZrO₂) – Superior thermal shock resistance, ideal for extreme heat applications.
   • Magnesia (MgO) – Good for applications involving molten metals.
   • Porcelain – Suitable for low- to mid-temperature chemical work.
2. Size & Capacity
   • Choose based on the volume of material you need to process.
   • Common sizes range from small (50mL) to large (several liters).
3. Shape
   • Tall & Deep Crucibles – Used for high-volume reactions.
   • Shallow Crucibles – Used for fast heating and uniform heat distribution.
4. Lid or No Lid
   • A lid helps prevent contamination and reduces heat loss.
   • Open-top crucibles allow easy access but may lead to oxidation.
5. Temperature Tolerance
   • Ensure the crucible can withstand the operating temperature required for your application.
6. Chemical Resistance
   • Choose a crucible resistant to the chemicals used in your process.

By considering these factors, you can select the right ceramic crucible for your needs. If you have a need for this product, please contact us.

Zhongci Environmental Ceramics Materials
www.chempackings.com