GB/T 12215-2019
ActiveBauxite sand and flour for investment casting
熔模铸造用铝矾土砂、粉
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and packaging for bauxite sand and flour used as refractory materials in investment casting. It is applied in the foundry industry to ensure the quality and performance of shell molds and cores, particularly for precision casting of ferrous and non-ferrous alloys. The standard governs the material's chemical composition, particle size distribution, and thermal stability to prevent casting defects.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.