High Temperature Magnesia Crucibles for Melting
High Temperature magnesia Crucible for melting
Magnesia Crucibles are manufactured for more than 10 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. Majority of applications require the ceramic to be impervious, porous forms can also be made on order.
Physical & Electrical Characteristics |
Unit |
MgO |
Contents |
% |
95 99.5 |
density |
g/cm3 |
3.56 |
hardness |
Mohs' |
6 |
liner thermal expansion |
/oC (40o to 250o) |
8.6 x 10-6 |
work temperature |
oC |
2400 |
flexual strength |
MPa |
84 |
compressure strength |
MPa |
14 |
fracture strength (5 distance) |
MPa |
125 |
thermal conductivity |
W/m.k |
15.9-42 |
Volume resistivity (100 oC) |
|
>1012 |
dielectric constant 1.0 MHz |
-- -- |
5.8 |
Max size |
-- -- |
250mm long |

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