The possibilities of improving starch/water batter foam properties by additions of inorganic and organic compounds. waste sawdust and waste paper pulp were investigated. The most suitable ratio between starch and water was set to 2:3. The best results were obtained when calcium stearate was added to the starch/water tray because it filled the matrix of the tray and improved the surface. https://megavitamines.shop/product-category/diffuser/