Our premium Fire Assay Crucibles are engineered specifically for high-precision laboratory environments, offering superior resistance to cracking under the extreme conditions of fire assaying. Designed for professionals in mining and precious metal analysis, these crucibles ensure exceptional durability and stability, catering to a wide range of shapes and sizes to meet your exact technical specifications.
By integrating advanced material composition, our crucibles deliver faster melting cycles and a constant melting speed, significantly enhancing laboratory efficiency. They are specifically formulated to withstand violent temperature fluctuations and highly corrosive environments, providing a reliable solution for gold assaying and mineral analysis.
Detailed Parameters
| SiO2 Content | 69.84% | Al2O3 Content | 28% |
|---|---|---|---|
| CaO Content | 0.14% | Fe2O3 Content | 1.90% |
| Working Temperature | 1400℃ - 1500℃ | Specific Gravity | 2.3 |
| Porosity | 25% - 26% | Reuse Cycle | 3-5 times |
| Thermal Resistance | High Shock Resistance | Environment | Highly Corrosive |
Key Advantages
Corrosion Resistance
Engineered to withstand extremely corrosive fire assay environments without compromising structural integrity.
Rapid Melting
Optimized thermal conductivity allows for faster melting and a constant melting speed for higher throughput.
Thermal Shock Stability
Can withstand repetitive thermal shocks from 1400°C down to room temperature without cracking.
High Mechanical Strength
Robust design ensures the crucible maintains its shape and strength under severe assaying conditions.
Longer Service Life
Superior material quality allows each unit to be reused 3 to 5 times, reducing operational costs.
Customizable Specs
Available in a variety of shapes and sizes to perfectly match your laboratory's specific requirements.
Product Gallery
Management Platforms
Quality Control
Rigorous chemical analysis of SiO2 and Al2O3 to ensure material purity.
Precision Molding
Advanced molding techniques to provide diverse shapes and sizes.
Thermal Testing
Strict testing of thermal shock resistance from 1400°C to ambient temp.
Packaging Safety
Secure shipping using wooden cases and cartons with pallets for zero breakage.
Inventory Mgmt
Efficient stock management of various mining laboratory consumables.
Application Support
Expert guidance for gold assaying and precious metal analysis setups.
Investment Return Comparison
| Feature | Standard Crucibles | Our Fire Assay Crucibles |
|---|---|---|
| Usage Lifespan | 1-2 times | 3-5 times |
| Thermal Shock | Moderate risk of crack | High resistance (1400°C) |
| Melting Speed | Standard | Accelerated & Constant |
| Chemical Stability | Basic | High Corrosion Resistance |
| Cost Per Test | Higher (Due to replacement) | Lower (Extended reuse) |
Frequently Asked Questions
Our fire assay crucibles are designed to operate efficiently within a working temperature range of 1400℃ to 1500℃.
Due to high mechanical strength and quality materials, our crucibles are long-lasting and typically can be used 3-5 times.
Yes, they are specifically designed to withstand repetitive thermal shocks from 1400 degrees Celsius down to room temperature.
They are ideal for mining laboratories, precious metal analysis, gold assaying, and general mineral assaying applications.
The typical analysis consists of SiO2 (69.84%), Al2O3 (28%), Fe2O3 (1.90%), and CaO (0.14%).
To ensure safety during transit, we use wooden cases and cartons secured with pallets to prevent any damage.













