The Lark LAC-30 Alumina Crucible 30mL is an industry-standard vessel designed for high-precision thermal processes and aggressive chemical reactions. Manufactured from 99.95% ultra-high purity Alumina (Al2O3), this 30ml crucible offers a larger capacity for bulk sample processing while maintaining extreme resistance to thermal deformation and chemical attack.
With a maximum operating temperature of 1750°C, the LAC-30 is ideal for professional laboratories specializing in metallurgy, glass technology, and advanced materials research. Its smooth, non-porous surface prevents cross-contamination and ensures high mechanical strength for long-term durability in high-heat muffle furnaces.
Key Features
Industrial Thermal Grade: Rated for continuous operation up to 1700°C and short-term peaks of 1750°C.
99.95% Ultra-Pure Al2O3: Virtually eliminates trace element contamination during analytical testing.
Corrosion Resistance: Chemically inert to almost all acids, alkalis, and fluxes even at elevated temperatures.
High-Capacity Design: 30ml volume accommodates larger samples for sintering and melting operations.
Thermal Shock Resistance: Designed to maintain structural integrity under controlled heating and cooling cycles.
Technical Specifications
| Specification | Details |
| Model Number | LAC-30 |
| Capacity | 30 ml |
| Material | 99.95% Alumina (Al2O3) |
| Shape | U-Shape / Cylindrical |
| Maximum Temp | 1750°C |
| Top Diameter | ~40 mm |
| Height | ~45 mm |
| Wall Thickness | 2.5 mm to 3 mm |
| Lid Status | Without Lid |
Applications
Advanced Ceramics: High-temperature sintering and calcination of ceramic powders.
Precious Metal Processing: Melting and alloying of Gold, Silver, and high-temp metals.
Chemical Synthesis: Reaction vessel for aggressive chemical fusions and high-heat synthesis.
Environmental Testing: Large-scale ashing and waste characterization.


















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