... /400/500 meshesContent:Ash: 0.03 MaxCarbon: 0.003 MaxSulphur: (dry basis) 99.9% MinCoulor: Bright yellowAcidity: 0.003 MaxArsenic: Commercially ... . Handling and Storage: Sulfur powder should be stored in a cool, dry and ventilated place without heat. During the transportation, it should ...