Bentonite ndi dongo losungunuka la aluminium phyllosilicate lomwe limapangidwa makamaka ndi montmorillonite. Mitundu yosiyanasiyana ya bentonite imatchulidwa ndi chinthu chofunika kwambiri, monga potaziyamu (K), sodium (Na), calcium (Ca), ndi aluminium (Al). Kampani yathu imapereka bentonite yachilengedwe ya sodium.