Molecular formula: Zn3(PO4)2·2H2O
Traits:
White fine crystals, easy to deliquesce, insoluble in water and alcohol, easy to dissolve in sodium hydroxide solution of inorganic acid.
Zinc phosphate is a white anti-rust pigment, it can effectively replace heavy metal lead, zinc chrome yellow anti-rust pigment, etc., is a new anti-rust pigment product with ideal use effect.
The coating prepared with zinc phosphate preparation has excellent anti-rust performance and water resistance. It is used in various paint-based coatings and used to prepare various water-resistant, acid-resistant and anti-corrosion coatings such as phenolic paint, epoxy paint, and acrylic acid. Paint, alkyd paint and water-soluble resin paint, anti-rust paint widely used in ships, automobiles, industrial machinery, light metals, household appliances and metal containers for food.
项目 | 指标 | ||
ZP-1 | 409 | 409-1 | |
颜色 | 白色粉末 | 白色粉末 | 白色粉末 |
锌含量(以Zn计) % | ≥49.5 | 45-49 | _ |
磷酸根含量(灼烧后计)W(PO4) % | ≥45 | 44-48 | _ |
磷酸锌含量 % | _ | _ | ≥45 |
吸油量 % | 20-30 | 15-25 | ≤40 |
105℃挥发物 % ≤ | 1 | 1 | 1 |
筛余物(45μm筛余) % ≤ | 0.2 | 0.2 | 0.2 |
铅含量(Pb) % ≤ | 0.005 | 0.005 | _ |