Corrosion Passivator

High Temperature Primer

nC Corrosion Passivator – High Temperature Primer is a metal treatment fluid combined with a zinc anodic sol-gel technology that stops and prevents corrosion process of new or blasted metal. It is applied by roller/brush/spray.

Specifically designed to protect high temperature surfaces up to 460° from corrosion. Resistant to electric welding and very abrasion resistant due to sol-gel bonding technology. Can be painted over. Works up to 15 years.

Important product features

  • Protects high temperature surfaces up to 460°C from corrosion.
  • Resistant to electric welding.
  • Extremely abrasion resistant due to chemical bonding.

Technical Information

Suitable for

New or blasted metal Sa1.
Protect parts to be welded in.
Hot metal surfaces up to 460°C.


Remove mud and loose rust or paint.
Sand or blast metal to Sa1 roughness.

Application method

Brush, roller or spray.

Layer thickness (WFT)

50 micron.


Low consumption 220 gram/m2.

Drying time

Dust dry after 45 minutes.
Can be painted after 3 hours at an ambient temperature of 20 °C.




Long life span between 10 to 15 years.


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


Adhesion DIN EN ISO 2409: Diamond test 0.
Salt spray test DIN EN ISO 9227: No rust.
VDA exchange test 621-415: After 4000 hours no defects to applied alloy.


Product Data Sheet (PDS)

Brochure Corrosion Passivator

nC Corrosion Passivator Brochure_English

For temperatures up to 460 °C

Maintains its performance in environments such as electric welding or other heating, at temperatures up to 460°C.

Strong chemical adhesion

Suitable as a substrate for traditional paint systems or a coating developed by nC for harsh conditions.

Repaintable with all types of metal paint

After treatment with Nano Corrosion Passivator HT primer, the surface can be treated with any paint suitable for the metal in question or nC HCR or nC Heavy Duty ZB.


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

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