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Zinc Oxide
 Zinc Oxide |
Product Description
Molecular formular:ZnO
Molecular weight:81.39
Physi&chem property:White hexaplanar crystal or powder, odorless, non-toxic and fine, relative density is 5.606, refractive index is 2.008-2.029, melting piont is 1975C, soluble in acid, NaOH, NH4CL, insoluble in water, ethanol or ammonia, it can absorb the CO2 and water in the air and generate yellow ZnCO3, it can absorb ultraviolet rays.
Use:As white pigment used in printing&dyeing, paper-making, and pharmaceutical industries;As cure activating ingredient, strengthening agent and colorant of natural rubber and synthetic rubber, also used in the production of zinc acetate.Zinc carbonate and Zinc chloride.
Technical index:
Item Index
BA01-05( Type?)
Best quality Extra Extra Best quality First quality Qualifier
Zinc oxide(dry), %¡Ý 99.70 99.96 99.83 99.75 99.50 99
Metal( Zn), % ¡Ü None None None None None 0.008
Plumbicon( Pb)% ¡Ü 0.037 0.0016 0.0031 0.0031 0.05 0.07
Oxides of manganese(Mn)% ¡Ü 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
Copper oxide (Cu) % ¡Ü 0.0002 0.0002 0.0002 0.0002 0.0004 0.0004
HCl insolubles% ¡Ü 0.006 0.0002 0.001 0.001 0.008 0.009
Loss on ignition % ¡Ü 0.20 0.010 0.10 0.12 0.20 0.20
Residue on sieve(45um mesh) % ¡Ü 0.10 0.01 0.02 0.05 0.15 0.20
Water-solubles% ¡Ü 0.10 0.001 0.04 0.06 0.10 0.15
105 C volatile matter% ¡Ü 0.30 0.06 0.12 0.15 0.40 0.50
Oil absorption, g/100g¡Ü - 14 - - 14 14
Color(compared with standard sample) - Close - - Slightly Slightly
Reducing power(compared with standard sample) % ¡Ý - 100 - - 95 90
Packing and storage:
Packing:Zinc oxideIn plastic woven bag lined with plastic film or in water-proof paper bag, 25KG/ bag.
| Company: | China Porcelain & Electric (Henan) Co., Ltd. |
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