Unexpanded and Expanded Perlite:
Raw Perlite:8-16mesh, 18-30mesh, 30-50mesh, 50-70mesh etc.
Expanded Perlite:0.1-1mm, 1-2mm, 2-4mm, 20-40mesh, 40-60mesh, 60-120mesh,
Horticultural Perlite:1-3mm, 2-4mm, 2-5mm, 3-6mm
Note: The sizes could be adjusted according to customer’s demands.
2.Data for Reference:
Element: SiO2 Al2O3 NaO2 K2O Fe2O3 MgO CaO
PCT: 68-74 12-16 4-5 1-4 0.1-2 0.3 -1 0.15-1.5
Specific GravityExpansion L.O.I
0.5-2.4g/cm3 18times min 6% max
Widely used as theraw material of perlite door core, perlite panel insulation board.
Widely used asinsulating layersin industrial smelting furnace, cryogenic equipment/projects and
walls and floors of architectures.
Filing and dilating agentin rubber, painter and plastic, etc.
Used toabsorb floating oil.
Used inagriculture and horticultureto improve the soil and withhold water and fertilizer.
Used tofilter aidfor liquor, oil, medicine, food and dirty water.
Used asdeslagging agentin steel making.