Matting Agent – Sol Gel Silica. RHEOLOGICAL ADDITIVES (ORGANOCLAYS) INORGANIC THICKENERS. Inorganic Thickeners – Attapulgite. Inorganic Thickeners – Bentonite. SUB MICRON CALCIUM CARBONATE. DECORATIVE COLORED QUARTZ SAND. CALCIUM OXIDE DESICCANT. FLAME RETARDANTS.