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Silica Sand Processing Grading South Africa

Sand casting is a process that uses a mold made from either metal, wood, or wax to create a negative impression in a special sand that will be the mold for the molten metal. This mold is then filled with a molten metal that is left to cool and solidify. Tools Needed 1) Silica Sand 2) Mold of object 3) Some type of kiln oven to melt the .

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