English to Russian Tech/Engineering Chemistry; Chem Sci/Eng

Здесь "бетонит"? Или опечатка и должно быть "бентонит"?

Disintegrators include, without limitation, starch, methyl cellulose, agar, ***betonite***, xanthan gum, and the like. A powder mixture is prepared by mixing the compound, suitable comminuted, with a diluent or base as described above, and optionally, with a binder such as carboxymethylcellulose, an aliginate, gelating, or polyvinyl pyrrolidone, a solution retardant such as paraffin, a resorption accelerator such as a quaternary salt and/or and absorption agent such as ***betonite***, kaolin, or dicalcium phosphate