... corn 2) Purity: 99%, 3) Sizes: 20 meshes, 30meshes, 40meshes, 50-60 mesh.80mesh s MSG (Monosodium Glutamate) (1) Appearance: white ... ): 10ppm max13) Leads (Pb): 10ppm max14) Size: 10, 20, 30, 40, 60, 80mesh Monosodium Glutamate/sodium mono glutamate