PVC Additives-Dibasic lead Phosphite(DBLP)

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Dibasic Lead Phosphite
Molecular formula ¡º (2PbO ÿ£¡ÐbHPO3ÿ?¡®2¡È 2 ¡Ï)
Molecular weight ¡º 742.57
Property: It is 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 200ÿ? it turns to yellow at 450ÿ? 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.
Package: Plastic weaved bag, lined with a PE bag, and 25Kg in 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.
. Specifications
Index Best quality
Appearance: White powder without
without evident mechanical impurity
Lead oxide (PbO), % 90.0ÿ?.0
Phosphorous acid (H3PO3), % 11.0ÿ?.0
Moisture, % §Q 0.30
Fineness(mesh of 0.075mm),%§R 99.70