In general, the raw materials for the manufacture of crucible should be high in fire resistance and have a strong coefficient of high temperature tolerance. Also has the crucible raw material to have the sufficient strength, in the smelting process by the high temperature and so on the impact, will have the attrition, therefore the raw material strength if is not high, may cause the crucible to use the more wave, the more lacks the toughness. At the same time, the crucible shrinkage coefficient to be small, can accept the temperature of a sharp change and not to deformation and rupture, but also in material selection to pay attention to the molten metal and chemical reaction, and chemical metal heat resistant type is also high, not because the burning crucible when the loss occurred. In the smelting of metal in the demand for high temperature, crucible selection should ensure that the chemical stability at high temperature to learn. This shows that the crucible in material selection needs to pay attention to a lot of use of different materials. For example: melting aluminum and aluminum alloy to choose graphite crucible.
Graphite crucible is widely used also let me company has continued to strive for the goal, we continue to progress, to provide customers with better products.
