Brand:aa
Product detail:
Alumina Crucibles are manufactured for more than 20 years and have a skill production technology in different shapes and range of sizes from few milliliters to several liters, these fully dense, high purity an high temperature use,fine grain products find use in a range of high temperature applications such as metal processing / molten glass, rapid thermal cycling, gemstone purification for jewelry industry etc. Majodrity of applications require the ceramic to be impervious, porous forms can also be made on order.
Property Specification:
Purity:≥99.7%
Density:3.85g/cm3
Compressive Strength:2500Mpa
Flexural Strength: 360Mpa
Thermal Shock : good
Max service temperature: 1800..
New High Temperature Pure Functional Alumina Crucibles
Characters of alumina crucible and corundum crucible:
1. High purity: Al2O3≥99%, high chemical etching resistance;
2. Temperature tolerance, at 1600°C for long term application, and at 1800°C for short term application;
3. Resistant to sudden cold and hot, un-explosive;
4. High density of slip casting, high purity alumina crucible,
Name | alumina crucible | |
Chemical ingredient
| Al2O3 | ≥99 |
R2O | ≤0.2 | |
Fe2O3 | ≤0.1 | |
SiO2 | ≤0.2 | |
Volume density (g/cm2) | ≥3.80 | |
Apparent porosity (%) | ≤1 | |
Bending strength (Mpa) | ≥350 | |
Compression strength (Mpa) | ≥12000 | |
Dielectric constant ∑(1MHz) | 2 | |
Max. service temperature (°C) | 1800 |