... ,small packing or as customers' request 2,purity:99%,90%.80% . 3,mesh:8-20.20-40,40-60,60-100 ... ,30 mesh,40mesh,50mesh,60mesh,80mesh*Packing in 25kg/kraft paper bag or pp woven bag.*Capacity: 120,000mts/year *Conveyance ... acid.Mesh Size: 20, 30, 40, 50, 60, 80, mesh etc. Package: 25kg paper bag, or according customer's requirements7)Raw material ...