Alumina (Al2O3) has a wide application due to its versatility and low material cost. Alumina possesses a high melting point, strong hardness, and good chemical stability, making it a good material to withstand high temperature and chemical corrosion. We have a large selection of standard high form alumina crucibles in stock. Alumina crucibles are widely used in melting, calcination and sintering of ceramics, glass and metals. Alumina crucibles are also the ideal choice in analytical chemistry for sample preparation and high temperature reactions. We also provide custom alumina crucibles in various sizes and shapes. Please contact us to request a quote for custom alumina crucibles.
- No minimum order quantity required. A $15.00 handling fee applies to orders totaling less than $100.00 before shipping.
- All dimensions listed are outside dimensions.
Where Is the Best Place to Buy Alumina Crucibles - High Form?
High Form alumina crucibles are a staple in labs and industrial facilities around the world. However, product quality, available sizes, and technical support can vary significantly among suppliers. When your process depends on reliable performance at elevated temperatures, consistent material quality and dependable supply matter. AdValue Technology offers a broad selection of High Form alumina crucibles for research, testing, and industrial use.
Why the High Form Design Matters
The defining feature of a High Form crucible is its tapered profile: a wider opening, narrower base, and sloping sidewalls. This geometry offers a different working space from a straight-walled cylindrical crucible.
The wider opening can provide easier access for loading powders, placing samples, and handling materials, while the narrower lower section keeps the material concentrated in a smaller bottom area. The expanding upper section also provides additional room near the top for loose powders or materials that may shift or expand during processing.
For applications that benefit from broad top access combined with a narrower lower working area, a High Form alumina crucible can be a practical alternative to a straight-walled cylindrical design.
A Broad Range of Size Options From a Single Supplier
One of AdValue Technology's key advantages is the sheer range of standard sizes they keep in stock. Their High Form alumina crucible lineup covers eleven sizes, ranging from a 5 ml crucible for small-scale analytical work to a 2000 ml vessel for large-volume sintering runs. This wide selection makes it easier to source different sizes from a single supplier rather than coordinating orders across multiple vendors.
| Size Category |
Volume |
Typical Use |
| Small |
5 ml |
Small-scale analytical work and sample testing |
| Mid-Range |
Various sizes available |
Laboratory research, heat treatment, calcination |
| Large |
2000 ml |
Large-volume sintering runs and industrial processing |
Material Quality That Holds Up In Demanding Conditions
AdValue Technology's High Form alumina crucibles are made from high-purity alumina (Al₂O₃), a material widely used for high-temperature laboratory and industrial applications. Its combination of thermal stability, hardness, electrical insulation, and chemical resistance makes it suitable for a broad range of demanding processes.
Key material characteristics include:
- High-temperature capability for use in demanding furnace environments
- High hardness and wear resistance compared with many conventional ceramic materials
- Good chemical stability for processing many powders and other compatible materials
- Resistance to many corrosive environments, depending on the specific chemical, temperature, and exposure conditions
- Good dimensional and thermal stability under properly controlled heating and cooling conditions
| Material Property |
Benefit |
Relevant Applications |
| High-Temperature Capability |
Performs reliably in demanding furnace environments |
Sintering, calcination, heat treatment |
| High Hardness and Wear Resistance |
Outlasts many conventional ceramic materials |
Abrasive and mechanically demanding processing |
| Chemical Stability |
Compatible with many powders and process materials |
Powder processing, chemical analysis |
| Corrosion Resistance |
Handles many corrosive environments (verify by application) |
Selected chemical and reactive environments |
| Dimensional and Thermal Stability |
Maintains shape under controlled heating and cooling |
Thermal cycling, precision laboratory use |
These properties make the alumina crucibles from AdValue Technology a practical choice for applications such as calcination, sintering, heat treatment, and high-temperature sample processing.
Matching Covers Available for Every Size
AdValue Technology offers matching covers for each size in the High Form alumina crucible lineup. Smaller sizes use flat disc covers, while larger sizes are paired with stepped round covers designed to sit more securely on the crucible opening.
| Crucible Size Category |
Cover Type |
Description |
| Smaller Sizes |
Flat Disc Cover |
Flat alumina disc sized to match the crucible opening |
| Larger Sizes |
Stepped Round Cover |
Stepped design sits more securely on the crucible opening |
Sourcing the crucible and matching cover together helps ensure proper fit and simplifies product selection. A well-matched cover can also help limit direct exposure to the surrounding furnace environment and reduce the risk of material loss or contamination, depending on the application.
No Minimum Orders. Custom Sizes Available.
Research laboratories, university departments, and small production facilities often need only limited quantities. AdValue Technology has no minimum order quantity for standard High Form alumina crucibles, allowing customers to order according to their actual project needs.
For applications that require dimensions or geometries outside the standard catalog, custom options are also available. Share your dimensional, operating, and application requirements with the AdValue team, and we can work with you to identify a suitable custom solution.
A Reliable U.S.-Based Partner for Your Lab
AdValue Technology operates out of Tucson, Arizona and serves customers across the United States and internationally. Our team has extensive experience with specialty ceramics and advanced materials, allowing us to provide informed support for technical questions and custom requirements. Contact AdValue Technology at +1 (520) 514-1100 or at sales@advaluetech.com to place an order or request a custom quote.
Browse the full High Form alumina crucible selection at advaluetech.com and get what your lab needs today.
Technical Info
