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Calcium Strontium Phosphosilicate

Ferro offers the Nubirox 300 series of calcium strontium phosphosilicate-based anti-corrosive pigments for use in protective coatings that provide long-term corrosion inhibition of metal surfaces.

Nubirox 300 series of calcium strontium phosphosilicate pigment for coating on metal substrates

The Nubirox 300 series of anti-corrosive pigments uses a combination of non-zinc-based active compounds to improve pigment efficiency. These calcium strontium phosphosilicate corrosion inhibitors are an alternative to zinc-based pigments and deliver excellent performance in many solvent-based and water-based paint systems.

Pigments in the Nubirox 300 series offer corrosion protection of different types of metal substrates and are suitable in systems where zinc-based anti-corrosive pigments are reactive.

The Nubirox 300 series allows for the formulation of anti-corrosive paints that are not classified as environmental hazards. 

Start-up formulas are available upon request.


CALCIUM STRONTIUM PHOSPHOSILICATE RECOMMENDED PIGMENT PROPERTIES

RECOMMENDED PIGMENT PIGMENT PROPERTIES
Nubirox 301
Calcium Strontium Phosphosilicate
  • Protection of different metal substrates especially galvanized
  • Good performance in etch/wash primers and glossy direct-to-metal (DTM) coatings
Nubirox 302
Organophilized Calcium Strontium Phosphosilicate
  • Wider compatibility and enhanced performance
  • Suitable for glossy direct-to-metal (DTM) coatings due to its low impact on gloss

CALCIUM STRONTIUM PHOSPHOSILICATE APPLICATIONS

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

RECOMMENDED APPLICATIONS

SOLVENT-BASED PAINT SYSTEMS

RECOMMENDED PIGMENT  ALKYDS  EPOXIES  URETHANES 
Nubirox 301   Recommended  Limited suitability  Recommended
Nubirox 302  Highly recommended  Recommended  Highly recommended

 

WATER-BASED PAINT SYSTEMS

RECOMMENDED PIGMENT ALKYDS EPOXIES PVDC URETHANES ACRYLICS
Nubirox 301 Recommended Limited suitability Not recommended Highly recommended Highly recommended
Nubirox 302 Highly recommended Limited suitability Not recommended
Highly recommended Highly recommended

APPLICATIONS

RECOMMENDED PIGMENT WASH & SHOP PRIMERS POWDER COATING COIL COATING DTM GLOSS
Nubirox 301 Highly recommended Recommended Limited suitability Highly recommended
Nubirox 302 Limited suitability Limited suitability Limited suitability
Highly 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 custom formulations for anti-corrosive coatings.