... certification high quality,competitive price. Mesh: 8-12, 16-24, 20-30. 30-40, 40-60, 60-80, .... ... /T8967-2000/FCCIVSpecificationPurity99% up ,90%, 80% etcSpecific rotation+24.8~+25.3°Loss on drying≤0.5%Fe mg/kg≤5 ... kg≤1 mgChloride(Cr)≤0.05%Mesh standard8-12, 16-24, 20,30,40, 40-60, 60-80, 80- ... -120 meshPacking:1, Kraft paper bag or pp bag of 25 kg net each2, 3g, 17g, 100g, 200g, 227g, ...