The Lark 15mL Alumina Crucible LAC-15 is a professional-grade laboratory essential designed for high-temperature thermal analysis, material processing, and chemical synthesis. Crafted from 99.95% high-purity alumina (Al2O3), this 15ml U-shaped crucible offers exceptional resistance to chemical corrosion and extreme heat up to 1750°C.
Whether you are performing calcination, sintering, or melting of precious metals, the LAC-15 provides the chemical inertness and thermal stability required for precise results. Its durable, wear-resistant surface ensures a long service life even in the most demanding muffle furnaces and kilns.
Key Features
Extreme Heat Resistance: Rated for continuous use up to 1750°C without deformation or melting.
99.95% High Purity: Minimizes sample contamination during high-temperature reactions.
Chemical Inertness: Highly resistant to acids, bases, and aggressive chemical reagents.
Thermal Shock Stability: Engineered to handle rapid temperature transitions when used with recommended heating/cooling rates.
U-Shape Design: Optimized for uniform heating and easy sample recovery.
Technical Specifications
| Specification | Details |
| Model Number | LAC-15 |
| Capacity | 15 ml |
| Material | 99.95% Alumina (Al2O3) |
| Shape | U-Shape / Cylindrical |
| Max Temperature | 1750°C |
| Top Diameter | 32 mm |
| Bottom Diameter | 21 mm |
| Height | 32 mm |
| Wall Thickness | 2 mm |
| Lid | Not Included (Without Lid) |
Applications
Thermal Analysis: Ideal for TGA (Thermogravimetric Analysis) and DSC applications.
Material Sintering: Processing of ceramic powders and high-temperature alloys.
Metal Melting: Casting and refining of precious metals like Gold, Silver, and Platinum.
Chemical Research: Acid and alkali fusion processes in analytical chemistry.


















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