Spiral chute is used to separate the iron, stannum, tungsten, tantalum, niobium, gold ore, colliery, monazite, rutile and zircon Product Discription of Spiral chute: Spiral chute is used to separate the iron, stannum, tungsten, tantalum, niobium, gold ore, colliery, monazite, rutile and zircon of the size between 0.3 and 0.02 mm, and the other ferrous metals and non-ferrous metals, precious ...