Alumina Flat Bottom Conical Crucible without Lid is a high-purity ceramic container designed for high-temperature laboratory and industrial applications. Manufactured from 99% alumina (Al₂O₃), it offers excellent thermal stability, chemical resistance, and structural reliability under extreme heat.
Product Properties
Downloads & Resources
| Resource Type | Link |
|---|---|
| Safety Data Sheet (SDS) | 99% Alumina MSDS-Innovacera |
| Technical Data Sheet (TDS) | 05-99 Alumina Ceramic Material Properties-SU0207 |
| Catalogue | 99% Alumina Crucible（EN） |
Product Details
Alumina Flat Bottom Conical Crucible without Lid is a high-purity ceramic container designed for high-temperature laboratory and industrial applications. Manufactured from 99% alumina (Al₂O₃), it provides excellent thermal stability, chemical resistance, and structural reliability under extreme heating conditions.
The conical shape with a flat bottom allows stable placement during thermal processing while ensuring efficient heat transfer and uniform temperature distribution. The open-top design (without a lid) makes it convenient for sample loading, observation, and processing in various experimental procedures.
This alumina crucible is suitable for repeated heating cycles and is widely used in material research, chemical analysis, and high-temperature treatment processes where purity and stability are critical.
Specification:
- Material: Corundum 99 Alumina Al2O3
- Max. Working Temperature: 1600℃
- Size: OD39.3*ID35.6*H39.3mm
- Wall Thickness: 1.85mm
- Volume: 25mL
Features
- Made from 99% high-purity alumina ceramic
- Conical shape with a flat bottom for stable support
- No lid design for easy sample handling and observation
- Excellent high-temperature resistance
- Good chemical and corrosion resistance
- Low contamination and high purity performance
- Suitable for repeated thermal cycling
Applications
- Laboratory sample melting and heating
- Material calcination and sintering
- Chemical and analytical testing
- Powder processing and thermal treatment
- Research and development laboratories
Frequently Asked Questions
A conical crucible helps materials concentrate toward the bottom during heating, making it easier for reactions, melting, or residue collection compared to cylindrical designs.
Yes. The flat bottom design provides stable placement on furnace plates and reduces the risk of tipping during heating processes.
It is commonly used for calcination, material melting, sintering, chemical reactions, and powder processing where material concentration is required.
It can be used as an alternative in many applications, but cylindrical crucibles are preferred when uniform volume distribution or standard furnace compatibility is required.
The shape can slightly influence heat distribution, but high-purity alumina ensures stable performance under high-temperature conditions.
The open-top design allows easier loading, observation, and gas exchange during high-temperature experiments and processing.
Yes, it is designed for repeated high-temperature use, but service life depends on heating rate, chemical environment, and handling conditions.
99% alumina provides high thermal resistance, strong mechanical stability, and low contamination risk, making it suitable for sensitive laboratory and industrial applications.
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