Usage will vary depending on opacity required for the intended application.
Companies in this article
For use in polyolefin concentrates, Ampacet (Tarrytown, NY) has introduced a black concentrate for food and water contact. Product 190405 Black conforms to FDA regulations when used at a recommended starting level of 2% and up to 12.5% for food contact applications.
Usage will vary depending on opacity required for the intended application.