What is bentonite? What's the difference between good and bad?
And a lot of iron will affect its quality, selection is very important.
Bentonite depends on montmorillonite content, colloid price, swelling, multiples, whiteness, and purity of ore, or more or less impurities, sand and soil.
Montmorillonite has high content and high color whiteness Specific depends on the use, the most suitable is the best.
