Piaski kwarcowe gruboziarniste dla przemysłu odlewniczego – stan bazy surowcowej i możliwości jej powiększenia

Abstract

COARSE QUARTZ SANDS FOR FOUNDRY INDUSTRY – RESOURCES AND THEIR ENLARGEMENT POSSIBILITIES Summary This paper estimate of the resources of moulding sandsmainly coarse-grained sands for foundry industry. The present resources have been analysed, and it was found that they are not sufficient for foundry industry. It has been shown that there is possibility of enlargement of resources, by obtaining these sands from natural crushed stone deposits.