What is the application for Perlite in different sizes?

(1) 2.5mm~1.68mm,1.68mm~1mm,1mm~0.841mm perlite beads can be used for insulation after expansion, and insulation materials are used in the construction field;

(2) 0.841mm~0.297mm,0.595mm~0.297mm pearl sand can be used as a covering agent, slag remover, or vitrified microbeads for steel casting after expansion Insulation materials;

(3) After being expanded, 0.297mm~0.21mm; pearl sand can be used as a filtering agent for beer, medicine, and insulation for the low temperature storage tank of an Oxygen   concentrator.