High pure 99% alumina ceramics crucibles
USD $12.9 - $780 /Piece
Min.Order:1 Piece
Zhengzhou Kejia Furnace Co., Ltd.
Model: Kejia Alumina Crucible
(Round and Square)
Features:
1. high purity, (Al2O3≥99.7%; Fe2O3≤0.1%; SiO2≤0.2%.)
2. high chemical etching resistance,
3. Temperature tolerance, 1600°C for long term application; 1800°C for short term application,
4. Resistant to sudden cold and hot, un-explosive,
5. high density of slip casting.
Physical Character:
Typical Phisical Properties | ||||||||
Al2O3 | 60 | 75 | 80 | 85 | 92 | 95 | 99 | 99.8 |
Density (g/cm3) | 3.0 | 3.1 | 3.3 | 3.4 | 3.6 | 3.7 | 3.81 | 3.91 |
Flexural strength (MPa) | 205 | 210 | 215.7 | 230 | 312 | 324 | 340 | 370 |
Thermal Conductivity (w/(m.R)) | 16 | 17 | 17 | 17 | 18 | 20 | 34 | 35 |
Dielectric strength | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Max. service Temp. (°C) | 1350 | 1100 | 1300 | 1350 | 1500 | 1600 | 1700 | 1800 |
Package: Polyfoam filled, Wooden box outside.
Payment: T/T, West union, etc.
Shipping and Delivery: by air/sea, in 7-10 days after receiving the payment