Perlite powder is a kind of ultrafine white powdered perlite separated above the silo during the expansion process of expanded perlite.
Perlite powder can be used as fireworks, firecrackers, thermal insulation coatings, chemical, daily chemical adjustment and filling reducer, etc. It mainly plays a role in filling and improving in the fireworks and firecracker industries, and is used in daily chemical, pesticide, paint, rubber, paint, and plastics. , It can be used as filler and expander.
Expanded perlite powder is a kind of suspended white powdery solid formed above the receiving bin after perlite ore is preheated, roasted and expanded at instantaneous high temperature. The principle is: perlite ore is crushed to form ore sand of a certain size, after preheating roasting, rapid heating (above 1000 ℃), the moisture in the ore is vaporized, and the expanded fine powder is expanded in the softened vitreous ore. Of non-metallic mineral products.