“…7 The expanded form of perlite (EP particles) has low density and high porosity, and offers excellent thermal and acoustic insulating properties, chemical inertness, physical resilience, fire resistance, and water retention properties. [8][9][10][11][12][13][14][15] Perlite is used in the construction industry for insulation tiles, and in concrete as aggregate. Also, it is used as a filter product in the cleaning of dams and ponds, in an aquatic environment to obtain a clear liquid, in the growing of seed, in regulating the soil in agriculture, and in many other industrial applications.…”