ZINC AMMONIUM CHLORIDE--welding flux

Molecular Formula: NH4CL·ZnCl2 Molecular weight: 199.5 Appearance: white powder Specific gravity: 1.8 Usage: metal jointing, dry battery, etc. Packing: 25 kg pp bags Three types: I zinc ammonium chloride 75%, zinc 75%, ammonium 25% II zinc ammonium chloride 55%, zinc 55%, ammonium 45% III zinc ammonium chloirde45%, zinc 45%, ammonium 55% Operative norm: GB1625-79 Items Type I Type II Type III ZnCl2 (%) 75 55 45 NH4Cl (%) 25 45 55 ZnO ≤ (%) 0.01 0.01 0.01 Fe ≤ (%) 0.0005 0.0005 0.0005 Pb≤ (%) 0.0005 0.0005 0.0005 SO4 ≤ (%) 0.01 0.01 0.01 Payment term: 30% deposit in advance, the balance to be paid against B/L faxing; L/C. Price Validity: 1 week Delivery term: 1-2 weeks after receiving deposit Sea freight: As freight always keeps fluctuating, we prefer to finalize this rate before shipment.