... (Pb)≤0.0005%Moisture≤0.10%6.Usage: Mainly use in fertilizer, its advantage is less absorb moisture comparedto ... other fertilizer , also use in industry ,pharmaceuticals,textiles,welding industry,Dyeing auxilizries of acid ... dyes,Deliming agent of leather,Beer making,Chemical agentStorage battery making, making compound fertilizer7.Packing: 25kg or 50kg ...