99% Alumina Corundum Crucible (Boat Type)
Made from high-purity 99% alumina (Al₂O₃), this crucible offers a maximum working temperature of 1600℃, excellent thermal shock resistance, high mechanical strength, and superior chemical corrosion resistance. Ideal for university laboratory experiments, smelting precious metals (gold, silver, copper, etc.), high-temperature calcination in tube furnaces, and sample ashing analysis. Available in various shapes with large stock ready. Custom fabrication is welcome. Contact INNOVA Supplies for more details!
Key Specifications:
Material: 99% Alumina (Corundum)
Max Temperature: 1600℃
Common Size: 84 x 13 x 8mm (7ml capacity)
Features: High purity, thermal shock resistant, chemically stable
Product Properties
Downloads & Resources
| Resource Type | Link |
|---|---|
| Safety Data Sheet (SDS) | 11-99% Alumina Ceramic Material Properties-SU0003 |
| Technical Data Sheet (TDS) | 99% Alumina MSDS-Innovacera |
| Catalogue | 99% Alumina Crucible（EN） |
Product Details
Corundum alumina crucibles have many shapes，we have many stocks, welcome to contact us for more details. Due to the raw material of products has thermal expansion, heating or cooling too quickly can cause cracking, please warm up or cool down as slowly as possible to extend product life.
Boat Alumina Ceramic Crucibles Specification:
Material: Corundum 99 Alumina Al2O3
Max. Working Temperature: 1600℃
Max. Capacity: 7ml
Size (L*W*H): 84 x 13 x 8mm
Wall Thickness: 2mm
Tolerance: Outer diameter and height ±1mm, wall thickness : (+1mm,-0.2mm), length ±5mm
Feature:
- Excellent heat resistance and high strength at high temperatures
- High mechanical strength
- High heat conduction and excellent thermal shock resistance
- It is stable to chemicals and molten metal, and has excellent corrosion resistance under high temperature.
- The oxidation and reduction atmosphere is extremely stable at high temperatures
- Good electrical insulation at high temperatures
Application:
- University laboratory experiments
- Smelting of non-ferrous metals such as gold, silver, copper, etc
- High-temperature calcination in tube muffle furnaces
- Sample melting treatment
- Chemical analysis and ashing
- Crystal growth and optical material preparation
INNOVA Supplies also provides custom crucibles as client’s requirements.
For more details, pls contact info@innovasupplies.com.
Frequently Asked Questions
Due to the thermal expansion properties of the alumina material, heating or cooling too rapidly can cause thermal shock and lead to cracking. To extend the product life, it is recommended to warm up and cool down as slowly as possible, avoiding direct exposure to temperature extremes.
The maximum working temperature for these specific crucibles is 1600℃. They are made of high-purity corundum material (99% Al2O3), ensuring excellent heat resistance and stability at high temperatures.
INNOVA Supplies maintains a large inventory of standard shapes and sizes. However, we also provide custom crucibles tailored to client-specific requirements. Please contact us with your design for a quote.
These crucibles are versatile and commonly used for university laboratory experiments, smelting non-ferrous metals (such as gold, silver, and copper), high-temperature calcination in tube muffle furnaces, sample melting treatment, chemical analysis, ashing, and crystal growth.
For more details, pricing, or to place an order, please contact us at info@innovasupplies.com. Our team is ready to assist you with our stock products or custom fabrication needs.
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