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Moulding Sands Sand

moulding sand types and constituents casting metallurgy,types of moulding sand moulding sands may be classified, according to their use as under advertisements i green sand when sand is in its natural more or less moist state, it is referred to as green sand. it is a mix ture of silica sand, with 18 to 30 clay and 6 to 8 water. the clay and water give bonding strength to green sand..sand casting mold sands and their properties,classification of mold sands. dry-sand mold sand srcwynndanzur. in general, there are three types of conventional sand molds that are used in sand casting operations. dry-sand molds organic binders are used instead of clay products. in baking owens, prepared sand molds are baked at 200-300c degrees of temperatures..

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