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Item IndexModel Top Grade First Grade Qualified ProductZinc Oxide (as ZnO) % ≥ 99.7 99.5 99.4metals (as dry)% ≤ No No 0.008Lead Oxide (as Pb) % ≤ 0.037 0.05 0.14Manganese Oxide (as Mn) % ≤ 0.0001 0.0001 0.0003Copper Oxide (as Cu)% ≤ 0.0002 0.0004 0.00007Insoluble Matter in Hcl % ≤ 0.006 0.008 0.05Loss on ignition % ≤ 0.20 0.20 0.20Residue on sieve % ≤ 0.10 0.15 0.20Water soluble matter% ≤ 0.10 0.10 0.15Volatile matter on 105°C% ≤ 0.30 0.4 0.5Package: 25kg/bag,and 20MT/20'FCL without pallets, 18MT/20'FCL with pallets.Usage:1.Zinc oxide is used in rubber and tire industry are essential additives, are also used as natural rubber, synthetic rubber and latex vulcanization active agents and reinforcing agents, as well as coloring agents.2.In the chemical industry, zinc oxide is widely used as a catalyst and desulfurizer.3.In the coatings industry, not only zinc oxide with coloring and hiding power, but also are coatings of preservatives and brightening agent.4.In medicine and public health and food industry, zinc oxide with hemostasis function.5. In the glass industry, zinc oxide used in specialty glass products; in Ceramic Industry, zinc oxide used as a flux.
