Specifications

Dibasic Lead Phosphite(DBLP) is slight white, sweet and toxic powder, antioxidant; it has the excellent performance of resistan

Dibasic Lead Phosphite (DBLS)

Molecular formula: 2PbO · PbHPO₃ · H₂O
Molecular weight: 742.57

Property: It is slight white, sweet and toxic powder with the specific gravity of 6.94. It can dissolve in hydrochloric acid, and nitric acid, but not in water. It will turns to gray & black at 200, it turns to yellow at 450, and it has good deductibility. It is antioxidant; it has the excellent performance of resistance to ultraviolet ray, cold, and ageing.

 

Application: Mainly used for the heat stabilizer of PVC opaque products because of good insulation, weatherablity and ultraviolet radiation absorbency.

 

Package: Plastic weaved bag, lined with PE bag, and 25Kg weight.

Storage: It is toxic inorganic product, so it should be kept in a dry and cool storage house with good ventilation, and cannot be stored or transported with food.

 

Product quality                                                   HG/T 2339-2005

Index	Best quality	First quality
Appearance	White powder without evident mechanical impurity	White powder without evident mechanical impurity
Lead oxide (PbO),   %	90.0±1.0	90.0±1.0
Phosphorous acid (H3PO3),%	11.0±1.0	11.0±1.0
Heating loss,  %  ≤	0.30	0.40
Fineness0.075 mesh, % ≥	99.70	99.60
Whiteness,  % ≥	90.0	90.0