Diatomite, mainly consisting of SiO2 (80%–90%), formed from dead diatoms in seas and lakes has been approved as a food-grade material by the U.S. Food and Drug Administration
Diatomite, mainly consisting of SiO2 (80%–90%),formed from dead diatoms in seas and lakes hasbeen approved as a food-grade material by the U.S.Food and Drug Administration