... ,rutile,monazite,P B ore,etc. Spiral chute application: This machine is applicable for selecting materials with size 0.3--0 ... ore, niobium ore and other nonferrous metals with distinct specific gravity difference, and rare matels and nonmetal minerals. The concentrating process ... and centrifugal force according to the slurry's different specific gravity, grain size and shape. Next, final ore flows to ...