Dibasic Lead Phosphite

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 IndexBest 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