Barium Sulfate / Barite. Precipitated Grade Precipitated Barium Sulfate is a high brightness, low oil absorption, inert extender that is well suited for a variety of application including powder coatings, thermoplastics, elastomers, fiber, paper, ink and pigment preparations.. Precipitated Barium Sulfate has a Mohs hardness of 3 and is very low in abrasion.
