... , 20-30. 30-40, 40-60, 60-80, .... MnosodiumGlutamateItemGB/T8967-2000/FCCIVSpecificationPurity99% up ,90%, 80% etcSpecific rotation+24.8~+25.3°Loss ... -24, 20,30,40, 40-60, 60-80, 80-100, 80-120 meshPacking:1, Kraft paper bag or pp bag of 25 kg net ...