Product Description
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Items
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Indexes
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Appearance
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White Noncrystal Powder
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Technical Indexes
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French Process /Indirect Method
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America Process/Direct Method
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Zinc Oxide (by dry product)≥
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99.8%
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99.7%
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99.7%
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99.7%
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99.5%
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98%
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95%
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Lead Oxide (PbO) % ≤
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0.002
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0.002
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0.02
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0.08
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0.045
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0.08
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0.09
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Cadmium Oxide (CdO) % ≤
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0.0001
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0.0002
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0.0005
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0.0005
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0.001
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0.002
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0.002
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Copper Oxide (CuO) % ≤
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0.0001
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0.0002
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0.0002
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0.0002
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0.0002
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0.001
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0.004
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Manganese (Mn) % ≤
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0.0002
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0.0003
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0.0003
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0.0003
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0.0003
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0.004
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0.005
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Zinc % ≤
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None
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None
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None
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None
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None
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None
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None
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Hydrochloric Acid Insolubles % ≤
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0.003
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0.04
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0.04
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0.04
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0.04
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0.06
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0.08
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Loss on Ignition % ≤
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0.004
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0.08
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0.1
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0.1
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0.3
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0.6
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0.8
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Water Solubles % ≤
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0.02
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0.02
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0.04
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0.04
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0.1
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0.7
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0.8
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Sieve Residue (45 um) Wet Sieving % ≤
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0.04
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0.04
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0.05
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0.05
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0.08
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0.1
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0.15
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Moisture Content % ≤
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0.02
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0.1
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0.3
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0.3
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0.4
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0.5
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0.7
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