Tribasic Lead Sulphate
【Names of Product】 Dibasic Lead Phosfite
【Molecular Formula】 2PbO·PbHPO3·1/2H2 O
【Molecular weight】 742.66
【Technical Standard】 HG2339-92
【Characteristics】 White or light yellow powder, sweet, toxic, flammable, insoluble in water, soluble in hydroxide acid, nitric acid.
【Quality Standard】 HG2339-92.
| Item |
Index |
| Excellent |
First Grade |
Standard |
| Lead content (PbO) % |
89.0–91.0 |
89.0–91.0 |
89.5–91.5 |
| H₃PO₃ % |
10.0–12.0 |
10.0–12.0 |
9.0–12.0 |
| Weight loss at heating % ≤ |
0.30 |
0.40 |
0.60 |
| Residue on sieve (75μm) % ≤ |
0.30 |
0.40 |
0.80 |
【Application】 Widely used in polyvinyl fluoride products suitable for outdoor application due to the good property of anti-aging and light proof.
【Package】 In 25KG woven bags inner lined with plastic bags.
【Storage & Transportation】 Stored in dry and ventilate places. Keep away from moisture, or fire. The temperature should not be too high. Keep away from sulphide.