Dibasic Lead Phosphite

Description

Property: It is slight white, sweet and toxic powder with the specific gravity of 6.*4. It can dissolve in hydrochloric acid, and nitric acid, but not in water. It will turns to gray & black at **0℃, it turns to yellow at **0℃, 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 *5Kg 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 ********5 Index Best quality First quality Appearance White powder without evident mechanical impurity White powder without evident mechanical impurity Lead oxide (PbO)ï&frac*4;Œ % *0.0±1.0 *0.0±1.0 Phosphorous acid (H3PO3)ï&frac*4;Œ% *1.0±1.0 *1.0±1.0 Heating loss, % ≤ 0.*0 0.*0 Finenessï&frac*4;ˆ0.**5 meshï&frac*4;‰, % ≥ *9.*0 *9.*0 Whiteness, % ≥ *0.0 *0.0