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DIBASIC LEAD PHOSPHITE
English Name DIBASIC LEAD PHOSPHITE Molecular Formula
2Pbo·PbHPO3·1/2H2O
CAS
12141-20-7
PROPERTIES: white fine crystal powder, density of 6.1g/cm3. Insoluble in water and ordinary solvents, soluble in hydrochloric acid and nitric acid. This product turns into gray black at 200℃ ,into yellow at 450℃.Use: This product as thermal stabilizer of the polyvinyl chloride and vinyl chloride copolymers, in addition to having an acid acceptor in vitro efficacy, as well as oxidation resistance and the ability of shielding ultraviolet, weather resistance superior ,thermal stability and electrical insulating properties are also good, mainly used for the opaque hard goods and soft goods, especially for outdoor supplies.
Standard In line with the Ministry of HG2339-92
| Item | Index | ||
| Superior products | First grade | Qualified products | |
| Pb Content(as Pbo)% | 89.0-91.0 | 89.0-91.0 | 88.5-91.5 |
| H3PO3Content % |
10.1-12.0 | 10.0-12.0 | 9.0-12.0 |
| Heat Loss =% | 0.30 | 0.40 | 0.60 |
| Residue on 75um sieve\=% | 0.30 | 0.40 | 0.60 |
Storage Be stored in a cool , dry place , moistureproof,sunprotection place.Package: Outer woven bags within the plastic