... corn. OEM is acceptable. 99% MSG (monosodium glutamate mesh 20)purity:99%UP, 95% ,90%, 80%, 70% Size: ... 60mesh, 80mesh 100-120 mesh,99% MSG (mesh size 20)Specifications. Mnosodium GlutamateItemGB/T8967-2000/FCCIVSpecificationPurity80%, 90%, 99% ... up or as clients requestSpecific rotation+24.8~+25.3°Loss on drying≤0.5%Fe ... 1 mgChloride(Cr)≤0.05%Mesh standard8-14, 16-24, 20-30. 30-40, 40-60, 60-80, ...