... B ore,etc. Spiral chute application: This machine is applicable for selecting materials with size 0.3--0.02mm, such as ... iron ore, ilmenite, chromite, pyrite, azorite, rutile, monazite, phosphorite, oxide ore, tin ore, tantalum ore, niobium ore and other nonferrous ... .230-500.5-0.20.251.3 Gravity Spiral Chute for Ore benefication process