Bentonite is montmorillonite as the main mineral composition of non-metallic minerals, many countries had used them with their application,which involve in the industrial and agricultural production in 24 areas of more than 100 departments , there are more than 300 products, so people called it "universal soil."
Bentonite is also called apricot, bentonite or bentonite. China developed a long history of the use of bentonite, the original just as a detergent. Sichuan Renshou area had an open pit mine about hundreds of years ago, the local people called bentonite soil powder. In fact,really widely it was used just only a hundred years of history. The earliest discovery in the United States in Wyoming ancient stratum, was yellow-green clay, adding water can be expanded into a paste, then people put all the nature of the clay, collectively referred to as bentonite. In fact, the main mineral composition of bentonite is montmorillonite, the content of 85-90%,some the properties of bentonite are also determined by the montmorillonite. Montmorillonite can be a variety of colors such as yellow-green, yellow and white, gray, white and so on. Can be into a dense block, but also for the loose soil-like, with your fingers rubbing when there is a sense of skin, small pieces of water after the volume expansion to several times to 20-30 times in the water was suspended, The The nature of montmorillonite is related to its chemical composition and internal structure.
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