Zinc Phosphate

Ferro offers Zinc Phosphate anticorrosive pigments for use in protective coatings that provide long-term corrosion inhibition of metal surfaces.

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We provide two grades of zinc phosphate anti-corrosive pigments with different particle shapes: standard grade Nubirox N2 and special particle Zinc Phosphate Nubirox SP, which has a higher specific surface area and effectiveness.

Start-up formulas are available upon request.


ZINC PHOSPHATE RECOMMENDED PIGMENTS

RECOMMENDED PIGMENT PIGMENT PROPERTIES
Nubirox N2
Zinc Phosphate (Zn3(PO4)2·2H2O)
  • Standard Zinc Phosphate
Nubirox SP
Zinc Phosphate (Zn3(PO4)2·2H2O)
  • Special particle Zinc Phosphate (Nubirox technology) with high specific surface area that improves the efficiency of standard Zinc Phosphate
  • Higher efficiency at low concentration

ZINC PHOSPHATE CORROSION INHIBITION APPLICATIONS

Nubirox pigments are recommended for anti-corrosive paint systems used for general industrial, protective and marine, automotive and decorative coatings applications.

 

 


RECOMMENDED APPLICATIONS

 

SOLVENT-BASED PAINT SYSTEMS

RECOMMENDED PIGMENT  ALKYDS  EPOXIES  URETHANES 
Nubirox N2  Recommended  Recommended  Not recommended
Nubirox SP Highly recommended  Recommended  Not recommended

 

WATER-BASED PAINT SYSTEMS

RECOMMENDED PIGMENT ALKYDS EPOXIES PVDC URETHANES ACRYLICS
Nubirox N2 Limited suitability Limited suitability Limited suitability Limited suitability Limited suitability
Nubirox SP Recommended Recommended Highly recommended
Highly recommended Highly recommended

APPLICATIONS

RECOMMENDED PIGMENT WASH & SHOP PRIMERS POWDER COATING COIL COATING DTM GLOSS
Nubirox N2 Limited suitability Limited suitability Not recommended Limited suitability
Nubirox SP Recommended Highly recommended Limited suitability
Recommended

Ferro Pigments Lab

 

VALUE ADDED SERVICES 
Providing Formulation Guides/Assistance with Start-up Formula Creation
We assist customers in their product development efforts to ensure regulatory compliance and desired performance.


Local Laboratory Testing 
Ferro’s laboratory facility teams support our customers’ production and development activities, including different accelerated corrosion testing such as salt spray testing, prohesion testing, electrochemical testing techniques and other corrosion testing.


Custom Formulations
We work closely with our customers to co-innovate and develop customized high-performing and economical coloring solutions based on application requirements and operational processing needs, including tailored formulations for anti-corrosive coatings.