Product: Polyphosphoric acid, PPA
Molecular formula: H6P4O13
Molecular weight: 337.93
Properties: PPA is colorless transparent viscous liquid, specific gravity is 2.1g/CM3
Storage and transportation: It is corrosive. Packing: (Ⅲ) category. Plastic drum or glass bottle with wooden case lined with incombustible material outside.
Storage and transportation: keep in cool and dry place. Separate from alkalis, toxic articles and corrosive articles. The operator shall wear acid resistant protective equipment.
Quality guarantee period: 60 days between May and September; 90 days between October and April.
Quality Standard
Item: | Limits: | Results: |
Content | ≥115% | 115.5% |
Content (P2O5)% | ≥84% | 84.5% |
Sulfate | 0.01 | 0.002 |
Viscosity (centipoise) | 35000 | 35000 |
Chroma (Hazen) | 50 | 20 |
Heavy metal (Pb)% | ≤0.01 | 0.003 |
Iron content(Fe)% | ≤0.01 | 0.003 |
Arsenic content(As)% | ≤0.01 | 0.005 |
Package:40-340Kg plastic drums