الوصف

Molecular formula: 2PbO ? PbHPO3 ? H2O Molecular weight: **2.*7 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)， % *0.0?1.0 *0.0?1.0 Phosphorous acid (H3PO3)，% *1.0?1.0 *1.0?1.0 Heating loss, % ≤ 0.*0 0.*0 Fineness（0.**5 mesh）, % ≥ *9.*0 *9.*0 Whiteness, % ≥ *0.0 *0.0