The Lark LAC-50 Alumina Crucible 50mL is a high-performance laboratory vessel designed for extreme thermal applications. Constructed from 99% high-purity Alumina (Al₂O₃), it is engineered to withstand temperatures up to 1750°C, making it ideal for professional metallurgical, ceramic, and chemical research. This heavy-duty crucible offers exceptional resistance to chemical erosion, thermal shock, and mechanical wear, ensuring a long service life under the most demanding laboratory conditions.
Key Features :Alumina Crucible 50mL
High Thermal Resistance: Stable and reliable performance at constant temperatures up to 1700°C, with a maximum peak of 1750°C.
99% Pure Alumina: Minimizes sample contamination and provides superior resistance to molten metals and aggressive chemicals.
Heavy-Duty Construction: Thicker walls and a reinforced base offer increased durability and mechanical strength during handling.
Excellent Thermal Shock Resistance: Designed to handle rapid temperature fluctuations without cracking or structural failure.
Smooth Internal Finish: Facilitates easy sample retrieval and thorough cleaning between uses.
Technical Specifications
| Feature | Specification |
| Model | LAC-50 |
| Capacity | 50 mL |
| Material | 99% Alumina (Aluminum Oxide) |
| Maximum Temperature | 1750°C |
| Continuous Use Temp | Up to 1700°C |
| Shape | Conical / Cylindrical (Varies by mold) |
| Chemical Resistance | Resistant to Acids, Alkalis, and Fluxes |
Common Applications
High-Temperature Sintering: Ideal for firing ceramics and sintering powder metallurgy samples.
Melting Precious Metals: Secure containment for melting gold, silver, and high-melting-point alloys.
Ashing & Ignition: Used for the analytical determination of ash content in organic materials.
Material Research: Perfect for testing glass-forming materials and advanced composite development.





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