manufacture ISO certification high quality,competitive price. Mesh: 8-12, 16-24, 20-30. 30-40, 40-60, 60-80, .... MnosodiumGlutamateItemGB/T8967- ... 2000/FCCIVSpecificationPurity99% up ,90%, 80% etcSpecific rotation+24.8~+25.3°Loss on drying≤0.5%Fe mg/kg ... /kg≤1 mgChloride(Cr)≤0.05%Mesh standard8-12, 16-24, 20,30,40, 40-60, 60-80, 80-100, 80 ...