Bentonite's top 15 exporting countries. According to Comtrade, in 2018, the USA was the number-one Bentonite supplier in the world, exporting $ 192.73 M for 845.4 MT of Bentonite.After the USA, India exported $ 83.2 M, but for a much higher quantity, 1.7 million Ton! The Bentonite price difference is usually due to the Bentonite Chemical and …