How to improve the service life of graphite crucible
From the product point of view:1., raw materials are chosen from natural graphite to ensure that the graphite is not easily oxidized;2. cold isostatic pressing process is adopted to ensure high density and strength of crucible;3., the crucible surface high temperature, low temperature protection glaze layer, isolated oxygen and graphite contact contact;From the production point of view:1., scientific warming, to prevent cold, hot;2. add proper and proper amount of refining agent;3. do not stop the furnace abnormally;
1. Adopt isostatic graphite material;2. Use in a vacuum or inert atmosphere;3, prevent cold, hot;4. Avoid melting material with crucible reaction;5, the structural design rationalization.
