... of up to 10,000MT/Mnoth Bentonite Powder API grade1.DescriptionBentonite swells greatly when it ... a viscous, shear thinning material. Most often, bentonite suspensions are alsothixotropic, although rare cases of rheopectic ... Bentonite complies with the FDA for contact with food and drugs.4.Packing25kgs paper bags, 1000kgs PP bags5. intertek5.Photos4. bentonite manufacturers/ bentonite powder API Grade ...