bentogelBentogel™ BG 5 Bentogel™ BG 3B Bentogel™ BG 3 Bentogel™ BG 4 Bentogel™ BG 6CBentogel™ BG 6 by Yillong Chemical is a rheological additive. Produced from Na-bentonite and Ca-bentonite by purification and modification. It has hh gel efficiency, good viscosity