Break the fail-and-recoat cycle

Where conventional coating systems fail after 3–4 months, especially in hard-to-reach areas, nC Corrosion Passivator Primer 2-in-1 creeps deep into the corroded profile to passivate steel at the substrate level. Developed specifically for complex geometries, such as pipelines, railings, vent heads, and louvres, it blocks air and water to stop corrosion at the source, even if the topcoat gets damaged.

Downloads

Case study – Bulk carrier Mineral Honshu. Results after 6 months.

Case study Honshu (6 months)

The operational challenge

Standard power tooling leaves active rust trapped deep within steel pores, welds, and tight corners, causing traditional coating systems to fail from underneath. As a result, maintenance crews are trapped in an expensive 3-to-4-month fail-and-recoat cycle, forcing teams to repeatedly treat the exact same difficult spots throughout the year.

Fail-and-recoat cycle - nC Corrosion Passivator Primer 2-in-1

How nC Corrosion Passivator stops corrosion

nC Corrosion Passivator Primer 2-in-1 is a surface-tolerant, ready-to-use 1-component solution that forms a protective layer under the coating system:

  • Deep substrate penetration: Creeps deep into the micro-corroded profile to chemically passivate steel at the substrate level.

  • Impermeable seal: Blocks air and moisture penetration to stop rust at the source, keeping steel protected even if the topcoat suffers mechanical damage.

  • Dual chemical bond: Bonds chemically with the steel substrate and subsequent primer layer to eliminate underfilm corrosion.

Key operational advantages

Operational benefit Performance impact
At least 4x longer protection* Extends coating lifetime by at least four times compared to standard maintenance methods (*based on customer experience).
Lower OPEX Ends recurring rust repair cycles and reduces labor hours to significantly lower overall maintenance costs.
First line of defense Chemically passivates rust to form a durable, impermeable barrier that does not require an immediate topcoat application.
Safer working environment Aromatic-free formula protects crew health and improves safety during coating maintenance.
Surface-tolerant application After surface preparation, rust remains in hard to reach areas. nC Corrosion Passivator Primer 2-in-1 passivates this active rust particles. 

nC Corrosion Passivator Primer 2-in-1

A first line of defense that creates a protective layer under the coating system. Overcoatable with conventional marine coatings (primers & top coats)

Projects

Learn how our nC Corrosion Passivator solutions help reduce maintenance costs and increase fleet availability.

Before and after application with nC Corrosion Passivator Primer 2-in-1

Before Coaming - Mineral Honshu - Bocimar - Anglo Eastern - nC Corrosion PassivatorCoaming - Mineral Honshu - Bocimar - Anglo Eastern - nC Corrosion Passivator

Downloads

Case study – Bulk carrier Mineral Honshu. Results after 6 months.

Case study Honshu (6 months)

Get in touch

Eliminate your fleet’s recurring corrosion costs. Contact our team for technical advice or a quote.