Quartz Crucibles
Inquiry NowProduct Description
Quartz crucibles are widely used in high-temperature applications due to their excellent purity, thermal stability, and resistance to chemical corrosion. Made from fused quartz (SiO₂ purity ≥ 99.95%), these crucibles are ideal for metallurgy, semiconductor manufacturing, glass processing, and laboratory research.
M-Kube supplies cylindrical quartz crucibles, quartz boat crucibles, and fused quartz crucibles in India, ensuring reliable performance across demanding industries.
Key Features of Quartz Crucibles
- High Purity: Made with 99.95% SiO₂ fused quartz.
- Thermal Shock Resistance: Stable performance between 20°C–300°C without deformation.
- Excellent Mechanical Strength: High compression and tensile strength.
- Low Thermal Expansion: Suitable for high-temperature furnaces and precise heating processes.
- Chemical Resistance: Inert to most acids, alkalis, and molten salts.
- Multiple Designs Available: Cylindrical, boat-type, and custom quartz crucibles.
Technical Specifications
| Property Content | Unit |
Property Index |
| SiO2 purity | % | 99.95 |
| Density | kg/cm³ | 2.2×103 |
| Strength | KHN100 | 570 |
| Tensile Strength | Pa(N/㎡) | 4.8×107 |
| Compression Strength | Pa | >1.1×109 |
| Coefficient of Thermal Expansion (20℃-300℃) | cm/cm℃ | 5.5×10-7 |
| Thermal Conductivity (20℃) | W/m℃ | 1.4 |
| Specific Heat (20℃) | J/kg℃ | 660 |
| Softening Point | ℃ | 1630 |
| Annealing Point | ℃ | 1180 |
Chemical element composition (Unit: ppm)
| Al | Fe | K | Li | Cu | Na | B | Ca | Mg | OH |
| 17 | 1.6 | 3.8 | 0.74 | 0.1 | 1.8 | 0.02 | 1.7 | 1.5 | ≤150 |
Applications of Quartz Crucibles
- Semiconductor industry: Growing single-crystal silicon ingots.
- Metallurgical processes: Melting and refining high-purity metals.
- Glass and ceramics: Precision melting and forming.
- Chemical research: Resistance to acids, alkalis, and reactive gases.
- Laboratory heating: High-temperature reactions in controlled environments.
Looking for alternatives?
You can explore our Alumina Crucibles & Zirconia Crucibles
Quality and Compliance
At M-Kube, all our ceramic and refractory products are manufactured in ISO-certified facilities with the capability to meet and comply with ASTM, ISO, and other international standards. This ensures every product delivers consistent quality, reliability, and performance, whether you require standard parts or fully customized solutions.
Why Choose M-Kube for Quartz Crucibles?
- Trusted quartz crucible supplier in India.
- Wide range including quartz boat crucibles and cylindrical crucibles.
- Competitive fused quartz crucible price in India.
- Custom sizes available for research and industry.
Get a Quote
Looking for quartz crucibles in India for laboratory, research, or industrial applications? Contact M-Kube today for specifications, customization, and pricing.
📞 Call: +91-9898892994
📧 Email: marketing@mkubeenterprise.co.in
Product FAQ's
What materials are used to manufacture a quartz boat crucible?
A quartz boat crucible is crafted from high-purity fused quartz, ensuring it remains transparent, thermally stable, and chemically inert. This purity makes it ideal for high-precision laboratory and industrial processes.
How does a cylindrical quartz crucible differ from other shapes?
A cylindrical quartz crucible provides uniform wall thickness and structural balance, which enhances its thermal performance. This makes it especially reliable for consistent heating and melting applications.
Why are fused quartz crucibles preferred for high-temperature work?
Fused quartz crucibles can withstand extremely high melting points without deformation. Their unique thermal shock resistance ensures stability even when exposed to sudden and repeated temperature variations.
What makes fused quartz crucibles in India a reliable choice for industries?
In India, fused quartz crucibles are manufactured under strict quality controls, ensuring high-purity quartz content, precision forming, and durability. This reliability supports industries like semiconductors and metallurgy.
Can a cylindrical quartz crucible be produced in custom dimensions?
Yes, cylindrical quartz crucibles can be designed in varying sizes and wall thicknesses to meet specific requirements of research labs, semiconductor production, or material testing processes.
What testing process ensures the durability of quartz boat crucibles?
Each quartz boat crucible undergoes checks for purity, density, heat resistance, and structural strength. This ensures long-lasting performance under demanding laboratory and industrial heating cycles.












