We offer the supply of our production following materials for chemical industry, agriculturalist and others: Bentonite . - The specifications ours bentonite are ones: SiO2 70 % Al2O3 8 Fe2O3 1.4 CaO 1.2 %Diatomita.- 94 F2O3 0.45 2.50 1.80 MgO 0.22 Dolomita.- - ...