Microna™ 2 is a dry, extra-fine, double classified natural calcium carbonate filler/extender designed specifically for use in paints, inks, plastics, and mastic systems. In paint formulations, it contributes to titanium dioxide spacing for hiding and exterior durability. Microna™ 2 is also recommended for use in rubber, reinforced polyester, and plastisol compounds. Meets NSF Schedule 14 requirements.