Chemical Additives Dibasic Lead Phosphite for PVC Products
Dibasic Lead Phosphite
Product : Dibasic Lead Phosphite
Molecular formula : 2PbO·PbHPO3·1/2H2O
Property : White micro-crystal powder, poisonous, insoluble in water and ordinary solvents ,soluble in hydrogen chloride and nitric acid. It becomes gray-black at about 200, and yellow at 450.
Technical index :
Testing items |
Excellent |
Grade I |
Appearance |
White power |
White power |
Lead oxide (PbO)% |
90.0±1.0 |
90.0±1.0 |
Phosphorus acid (HPO3), % |
11.0±1.0 |
11.0±1.0 |
Moisture,%≤ |
0.3 |
0.4 |
Fineness(mesh of 0.075mm),% ≥ |
99.7 |
99.6 |
Application :
For PVC and PVC / polyethylene copolymer of the heat stabilizer. Mainly used in hard and soft opaque quality products, especially outdoor cable, construction panels, corrugated panels, pipe and so on.
Package : Plastic bag, lined with PE bag, 25KG weight.
Storage and Transportation :
Store in cool, ventilated and dry places. Protecting from insolation and moisture while transported.
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