Molecular formula ： 3PbO·PbSO₄·Ｈ₂O

Molecular weight ： 990.86

White powder, toxic, sweet, specific density 7.10, insoluble in water, soluble in nitric acid, soluble in chlorhydric acid, ammonium acetate and sodium acetate when heated. It loses crystal water and turns yellow at 135 ℃ , it turns yellow in sunlight, especially in wet condition.

It is mainly used as stabilizer for non-transparent or translucent PVC products.

Appearance  White powder

PbO, %  88～90.1

SO3, %  7.5～8.5

Moisture, % ≤ 0.4

Finess (200 eye through),  % ≥ 99.5

Package:
In plastic woven bag of 25kgs net each.