... non-toxic, tasteless, acidproof, alkaliproof, perfect heat and sound insulation properties. ElementsSiO2Al2O3K2ONa2OCaOMgOContent 69 - 72% 12 - 18%3 - ... for industries of construction, agriculture, chemistry, medicine and food etc., such as below applied details:1 ... , soil conditions improving, moisture and fertility preservation7) various specifications and functions of sections which are produced ...