Corrosion Passivator

High Chemical Resistance

nC Corrosion Passivator – High Chemical Resistance (HCR) is a combination of a metal treatment liquid, backed by an extremely strong Siloxane Epoxy that combines superior chemical resistance with abrasion resistance against harsh chemicals.

Through the formation of electron pairs, particles form a chemical bond with the metal. Remains active for up to 15 years in fresh water and 5 to 8 years in salt water. Within system featuring nC Corrosion Passivator – Primer 2-in-1 and Primer Zinc C5, exceptional corrosion resistance is achieved.

Important product features

  • Corrosion resistance combined with chemical resistance.
  • Adheres chemically to metal surface.
  • Contains no solvents.

Technical Information

Suitable for

Surfaces that endure heavy chemical exposure.


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Application method

Roller, brush or spray.

Layer thickness (WFT)

Layer thickness 100μm to 500μm possible.


5m2 to 8m2 per kg.

Drying time

Fast drying, ready for use after 8 hours.


Yes. Overpaintable with another lacquer after 6 hours.


Remains active in fresh water for up to 15 years.
Remains active in salt water for 5 to 8 years.


Storage between 5°C and 35°C.
Store 1 year in tightly closed container.


Adhesion EN ISO 4624: 12 MPa.
Salt spray test EN ISO 9227: No rust.
VDA 621-415 Cyclic corrosion test: No defects after 5 cycles of 24 hours each.


Product Data Sheet (PDS)

Brochure Corrosion Passivator

nC Corrosion Passivator Brochure_English

Protection against heavy chemicals

nC High Chemical Resistance is tested to resist harsh chemicals.

Extremely wear-resistant

nC High Chemical Resistance is designed for application in the harshest conditions and is used in the most challenging projects.

Long life span up to 25 years

In system with nC Corrosion Passivator Primer or Cold Alloy (CA), nC HCR provides up to 25 years of protection.


Discover how our nC Corrosion Passivator products offer a solution to our customers.

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