Coatings formulators are not sentimental about raw materials. If something works, they use it. If it creates problems, they switch. Diatomite has stuck around in paint and coatings formulations long enough that the question is no longer whether it works
Diatomaceous Earth, commonly known as DE, is a naturally occurring sedimentary rock that is rich in the fossilized remains of diatoms, a type of microscopic algae...