DOUBLE ROLL CRUSHERS Double Roll Crushers can be used in primary, secondary or tertiary crushing applications. ... Double Roll Crushers can process ROM coal, limestone, gypsum, trona, shale, bauxite, oil shale, clean coal, coke, salt, quicklime, burnt lime, glass, kaolin, brick, shale, and wet, sticky feed materials. ... ¼" 18 25 37 50 62 75 ...