Molecular formula:2PbO.pbHpO3.H2O
Molecular weight:742.57
Standard:HG/T 2339-2005
Characters:Slightly borwn or white powder, smell sweet. Indissoluble in water but dissoluble in acid, changes into ashblack at 200oCand changes into yellow at 450oCt. Will burn when meeting fire.
Applications:Used for PVC heat stabilizer in plastic industry.
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Item
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high grade
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first grade
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acceptable quality grade
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PbO%
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89.0-91.0
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89.0-91.0
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88.5-91.5
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Phosphorous acid%
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10.0-12.0
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10.0-12.0
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9.0-12.0
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Moisture%
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0.30max
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0.40max
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0.6max
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Residue through 75um screen%
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0.30max
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0.40max
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0.8max
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Products for special purpose at customers' specification/requirement are available.
Packing:in 500kg/1000kg plastic wonen bags, 20/25kg paper bags or at customers' request.
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