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Why is HEVI chromite sand used as facing sand for steel castings?
Why is HEVI chromite sand used as facing sand for steel castings?The main reasons for choosing chromite sand as the surface sand for steel castings include its excellent physical and chemical properties, as well as its specific role in the casting process.
Why add foundry chromite sand during casting?
Why add foundry chromite sand during casting? Chromite sand is often used as the surface sand of large steel castings in casting production, which can effectively prevent sand from sticking to the surface of castings and improve the quality of castings. It has a stable heated volume and high thermal conductivity. It has a good resistance to alkaline slag when in contact with molten metal, and it has the characteristics of solid phase sintering, which can well prevent the penetration of molten metal and avoid the occurrence of sand sticking defects.
Why use chromium ore sand to product magnesia-chrome bricks?
Why use chromium ore sand to product magnesia-chrome bricks?The main raw materials for making magnesia-chrome bricks are sintered magnesia and chromite. The purity of magnesia raw materials should be as high as possible, and the requirements for the chemical composition of chromite are: Cr2O3: 30-45%, CaO: ≤1.0-1.5%.
Can chromite sand for foundry be exported?
Can chromite sand for foundry be exported?Yes.Chrome sand for foundry can be exported.
鉻礦砂為什麽能做鑄造用？
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鉻礦砂AFS40-45AFS45-50是幹什麽用的？
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