Sodium Bentonite Clay is one of the most powerful healing clays available. Used widely in the horticultural, health & beauty, detoxification and cosmetic industries, SBC expands when wet, able to absorb many times its dry mass in water. It is safe for consumption and full submergence. It is also safe for disposal in public sewerage once diluted with plenty of water. Our Sodium Bentonite is a cosmetic grade and use in make-up, skin treatments, soaps etc… Therefore, does not contain any harmful levels of toxins. Mineral Information Typical Chemical Analysis Typical Mineralogy Other Typical Properties SiO2 57.1% Montmorillonite 92% Bulk Density 800 – 900 Kg/m3 Na2O 3.27% Calcite 4% Swelling Volume 29 ml/2g Al2O3 17.79% Feldspars 2% Moisture Maximum 14% by weight K2O 0.9% Quartz 1% Cation Exchange Capacity 78 meq / 100g Fe2O3 4.64% Dolomite 1% TiO2 0.77% CaO 3.98% Mn2O3 0.06% MgO 3.68% LoI 7.85% Material Safety Data Sheets for all products are available here.