Gypsum powder can be classified according to purpose: building materials using gypsum powder, gypsum powder chemicals used, mold used gypsum powder, gypsum powder and food casting gypsum powder.
石膏粉根据用途可分为:建材用石膏粉、化工用石膏粉、模具用石膏粉、食品用石膏粉和铸造用石膏粉等。
Properties of mold powder used in continuous casting were analyzed. Optimum matching of the powder properties, steel grade and operation conditions is discussed.
对结晶器保护渣的性能作了描述;对结晶器保护渣的性能与工艺条件、钢种的优化匹配进行了探讨。
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