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- Product Description
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★ Basic Information
Molecular formula:ZnO
Molecular weight:81.39 (based on the atomic weight measured in 2011 for international quality, pollution, and acid contact)
CAS number:1314-13-2
Physical properties:Non-toxic, odorless, white or slightly yellow, light powder or granules, easily hygroscopic.
Applications:Widely used in the sanitary ware industry such as high-end bathtubs, washbasins, and toilets.
★ Characteristics
01
High density, good fluidity, low shrinkage of glaze, and not easy to produce pinholes and cracks on the glaze surface.
02
Strong fluxing effect in the glaze, reducing the expansion coefficient of the glaze and improving thermal stability.
03
Increases the gloss and whiteness of the glaze, enhances the strength of the glaze, and adds brilliance to the glaze surface.
04
High density, good fluidity, low shrinkage of glaze, and not easy to produce pinholes and cracks on the glaze surface.
Zinc oxide particles
Appearance of zinc oxide Powder Item Index Direct method Calcination method Indirect method 1 Zinc oxide ZNO %Min 99 99 99.6 99.7 2 Lead oxide PbO %Max 0.02 0.05 0.03 0.02 3 Cadmium oxide Cdo %Max 0.01 0.005 0.005 0.0005 4 Ferric oxide Fe2O3 %Max 0.03 0.06 0.04 0.0002 5 Insoluble in hydrochloric acid ----- %Max 0.01 0.02 0.01 0.0003 6 Loss on ignition ----- %Max 0.8 0.1 0.06 0.04 7 Water-soluble matter ----- %Max 0.55 0.45 0.40 0.02 8 Residue on sieve (325 mesh mixed screening) ----- %Max 0.30 0.50 0.30 0.02 9 Moisture ----- %Max 0.20 0.0066 0.10 0.001 10 Specific gravity ----- %Max 1.1 2.9 2.9 0.1
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