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- Product Description
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★ Basic Information
Molecular formula:ZnO
Molecular weight:81.39 (based on the 2011 international atomic weights for mass, 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:Used as a flux material in the production of building ceramics, widely applied in building ceramic wall tiles, floor tiles, decorative tile glazes | rock slab glazes | low-temperature porcelain glazes | brick and tile glazes | artistic glazes | low-lead bone china melting blocks, etc.
★ Characteristics
01
Low expansion coefficient, good high thermal shock and mechanical vibration effects.
02
Low content of heavy metals such as lead oxide, iron oxide, cadmium oxide, greatly solving the problem of gray spots after firing, good firing gloss.
03
Small particle size, large specific surface area, super strong adhesion and coverage, greatly solving the impact of substrate color on the surface color of ceramic products.
04
Has a strong fluxing effect, can significantly reduce glaze viscosity.
Zinc oxide particles
Appearance of zinc oxide Powder Item Index Direct method Calcination method 1 Zinc oxide ZNO %Min 90 95 98 99 95 98 99 99.6 2 Lead oxide PBO %Max 6 0.4 0.06 0.02 0.6 0.08 0.05 0.03 3 Cadmium oxide Cdo %Max 0.01 0.01 0.01 0.01 0.005 0.005 0.005 0.005 4 Ferric oxide Fe2O3 %Max 0.1 0.05 0.05 0.03 0.3 0.08 0.06 0.04 5 Insoluble in hydrochloric acid ----- %Max 0.6 0.06 0.05 0.01 0.3 0.04 0.02 0.01 6 Loss on ignition ----- %Max 0.1 4.00 2.00 0.8 0.1 0.1 0.1 0.06 7 Water-soluble matter ----- %Max 0.5 0.60 0.60 0.55 0.60 0.55 0.45 0.40 8 Residue on sieve (325 mesh mixed sieve) ----- %Max 0.3 0.30 0.30 0.30 0.60 0.5 0.50 0.30 9 Moisture ----- %Max 0.11 0.20 0.14 0.20 0.012 0.02 0.0066 0.10 10 Specific gravity ----- %Max 1.1 1.1 1.1 1.1 2.8 2.9 2.9 2.9
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