Perlite Perlite could be used in building construction products, ... 0.7%0.5-1.5%3-5%Size:Perlite Sand, Unexpanded Perlite: 12-16mesh, 14-20mesh, 16-32mesh, 20- ... 40mesh, 30mesh-50mesh, 50-150mesh, 200-325meshExpanded Perlite: 60mesh, 100mesh, 120mesh, ... 150mesh, 0.1-1mm, 1-2mm, 2-4mmHorticultural Perlite: 1-2mm, 2-4mm, 1-4mm ,3-5mm.Package: ...