Tribasic Lead Sulfate (TLS)
Molecular formula: 3PbO.PbSO4.H2O
Molecular weight: 990.86
Standard:HG/T2340-92
Main application: used for PVC heat stabilizer in plastic industry.
Characters: white powder, smell sweet, slightly dissoluble in water and dissoluble in nitric acid, hot chloric acid, ammonium acetate and sodium acetate solutions, Lost crystallization, melting point is 800oC at 135 deg.
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Item
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high grade
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1 st grade
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acceptable quality grade
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Lead Content,%
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88.0-90.0
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88.0-90.0
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87.5-90.5
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Sulfur Trioxide,%
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7.5-8.5
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7.5-8.5
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7.0-9.0
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Moisture%
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0.30max
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0.40max
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0.60max
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Residue through 75um screen%
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0.30max
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0.40max
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0.80max
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Products for special purpose at customers' specification/requirement are available.
Package: in 500kg/1000kg plastic woven bags, 20/25kg paper bags or at customers' request
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