The product size is adjustable in the range of 80 to 325 (600 the largest) meshes Raymond mill of ISO9001 approvedRaymond millUsed for grinding the barite, limestone, kaolin, cerames, and slags below scale 9.3 of Mohs hardness and 280-odd sorts of non-inflammable and non-explosive stuff in the trades of mining, metallurgical industrial, chemical engineering and building material for high fine ...