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PW400 Water-soluble Alloy Anti-rust Pigment
Property: Solid creamy powder
Main components: Modified phosphite
Characteristics: Environmentally friendly, non-toxic, free of heavy metal, and non-combustible. Prepared aqueous pigments are extremely easily dispersible without thickening, have good resistance to salt water and it is stable in storage.
Anti-rust Mechanism:
Chemical anti-rust: Aqueous pigments prepared with the product undergo a complexation reaction with the painted surface, forming insoluble passive film and inhibiting corrosion to metal base such as steels from the environment.
Physical anti-rust: When this product is added to aqueous pigments, physical shielding is formed and improves its resistance to water.
Main Applications:
The product is widely used. It can substitute anti-rust pigments like common aqueous zinc phosphate and aqueous aluminum tripolyphosphate and is widely used in steel structure and other aqueous anti-rust applications with lower requirements.
Technical Indexes:
Item Index Test Method
P2O5% ≥15.0 AppendixC
SiO2% ≥5.0 AppendixB
Oil absorption ≤25.0 GB/T5211.15-88
Density g/cm3 2.6~3.2 GB/T1713-89
Screenings (400 mesh) % ≤0.8 GB/T1715-79
Water soluble substance % ≤1.0 GB/T5211.1-85
Volatile content (105℃) ≤1.0 GB/T5211.3-85
PH value of aqueous suspension 7.0~8.0 GB/T1717-86
Usage: Add the product after emulsion systems are beaten, and grind the product after other systems are added.
Packing: Packed in kraft paper bag laminated with double PE, 20kg/bag (net weight).
Storage: Kept in a dry and well-ventilated place. Shelf life is one year.

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