... .1-1mm, 1-2mm, 2-4mm Horticultural Perlite: 1-2mm, 2-4mm, 1-4mm. Expanded Perlite: 60mesh, 100mesh, 120mesh, 150mesh, 0.1 ... -1mm, 1-2mm, 2-4mm Horticultural Perlite: 1-2mm, 2-4mm, 1-4mm.Data for referenceElement: SiO2 ... . Used to filter liquor, oil, medicine, food and dirty water. Perlite