Spiral chute has features: 1: High processing capacity, 2: High recovery rate, 3: High enrichment ratio. 4.Good quality Spiral chute applications:It has been used in to classify the granularity 0.3-0.02 millimeters fine grain like iron, tin, tungsten, tantalum-niobium, gold ore, coal mine, monazite, rutile, zircon and other metals. The non-metallic minerals which have a big enough specific ...