1) Molding sand is supposed to posses many properties for its efficient functioning. These properties depended upon grain shape, size, distribution and the content and the types of binders, additives and moisture.
2) Sand test indicates the molding sand performance and the foundrymen in controlling the properties of molding sand.
3) Sand testing controls the molding sand properties through the control of its composition.
4) Production of sound castings largely depends upon uniform and good quality of molding sands.
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