хүдэр бөмбөг боловсруулах тээрэм загвар. Bentonite боловсруулах тээрэм. BentoniteWikipedia. Bentonite (/ ˈ b ɛ n t ə n ʌ ɪ t /) is an absorbent aluminium phyllosilicate clay consisting mostly of montmorillonite was named by Wilbur C. Knight in 1898 after the Cretaceous Benton Shale near ...