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Crucible is a high-temperature container used in the laboratory for melting samples or burning precipitation. It is a cup-shaped vessel with a large top and a small bottom, like a truncated cone. It is generally made of extremely refractory materials such as clay, graphite, porcelain clay or metals that are difficult to melt. Crucibles were first used in alchemical experiments to hold liquids or solids (glass, metal or other substances) for high-temperature heating; containers used to melt metals in metallurgy are also called crucibles.
The material of the crucible is required to be heat-resistant, relatively strong, and not easy to react chemically at high temperatures. Traditional crucibles are made of ceramics, and modern ones are made of metals such as graphite, platinum, rhodium, nickel, and chromium. Some crucibles have lids made of the same material.
| Properties | Unit | Steatite ceramic | 95% Al2O3 | 99% Al2O3 | Zirconia Ceramic |
| Density | g/cm³ | 2.7 | 3.6 | 3.8 | 5.6 |
| Flexural strength | Mpa | 145 | 300 | 300 | 354 |
| Hardness | Gpa | 5.7 | 7 | 10.7 | 12.3 |
| Elastic modulus | Gpa | 120 | 275 | 320 | 205 |
| Poissons ratio | - | 0.21 | 0.22 | 0.22 | 0.30 |
| Linear expansion coefficient | x 10-6/ºC | 7.9 | 7.1 | 7.8 | 9 |
| Thermal conductivity | w/(m.k) | 2.5 | 20 | 25 | 2.5 |
Q: What's the MOQ of trial order?
A: No limit,We can offer the best suggestions and solutions according to your requirements.
Q: After an order is confirmed,when to deliver?
A: According to your order quantity, normally, 15-25 days after deposit received.
Q: Is your company accept customization?
A: We have our own factories and excellent technical team, and we accept OEM service.
Q: What certificates do you have?
A: ISO9001, BV and Test Report, also we can do other necessary certification according to your requirements.
Q: Can you offer samples?
A: Of course,samples are total free! Freight should be paid by buyers.
