Product Name: Magnesium Aluminum Silicate "Origin: China CAS No.: 71205-22-6 AUCO No.: 954 Packing: 25kg drum" Items Standard Characteristics Almost white to off white free flowing,tasteless odorless,slippery granules or flakes(Completely free from foreign and black particles) Solubility Dispersible in water Identification Responds to tests for identification PH(5% w/v) 9-10 Water N.M.T 8% Residue on ignition N.M.T 17% Viscosity(5% w/v) 800-2200 cps(Dispersion) Acid Demand N.M.T 4% Particle size Less than 250 micron for granules and for flakes less than 1mm length and less than 250 micron thickness Arsenic N.M.T 3 ppm Heavy metals N.M.T 15 ppm A1/Mg ratio 0.5-1.2 Microbial Limit "No pathogenic strains less than 100 cfu/g bacteria less than 100 cfu/g fungi and yeast"