What is the Iridite NCP passivation process?

Iridite is a range of chrome-free conversion coatings, developed by MacDermid Enthone, to provide excellent corrosion resistance properties as well as enabling enhanced adhesion for paints and powder coatings. Other non-chromate passivation processes provide an excellent surface for adhesion but do not rate as highly for corrosion protection. Use of Iridite as a pre-treatment means that even non-powder coated areas of the metal are protected against corrosion.

Iridite NCP is a pre-treatment for powder coating but it can be used as a final finish.

Benefits of Iridite NCP

High resistance to corrosion, suitable as a final finish, leaving parts with a silver appearance.
Excellent adhesion for paints, sealants and adhesives.
Good level of electrical conductivity and often used on applications involving electrical grounding.
Withstands high temperatures up to 350 degrees C - suitable for items with high operating temperatures such as automotive engine components.
Metal coated with Iridite can be spot welded or shield arc welded
Environmentally compliant– contains no hexavalent or trivalent chromium compounds, lead, cadmium, mercury or PBB/PBDE compounds, meeting ELV, RoHS and WEEE standards

Specifications

ROHS compliant
Qualified under MIL – DTL – 5541 TYPE II CLASS 3 and MIL – DTL – 81706

Iridite NCP powder coating on medical devices

Why choose Powdertech for your conversion coating requirements

Unrivalled expertise in chrome-free conversion coatings
You can be confident that we have built up a lot of expertise in these systems as we were the first powder coater in the UK to offer automated chrome-free conversion coatings and pre-treatments back in 2001.
Large capacity plant
We offer an immersion process for Iridite NCP application, accommodating component sizes of up to 0.8m x 0.5m x 0.5m.
Market sector experience for industrial powder coating
Iridite NCP is a coating frequently specified by regulated industries and we have many years of experience in these sectors, including aerospace, defence, automotive and medical.
Cutting-edge testing equipment for metal surface treatments
We invest in state-of-the-art testing equipment including XRF UV-Florescence equipment and world leading Instron mechanical testing technology. Tests are carried out in our Surface Characterisation Laboratory and cover all the aluminium alloys we work with, from 3xxx series up to 7xxx series, and in all formats.

Powdertech Iridite NCP case studies

Commercial Case Studies

How we ensured critical corrosion protection for a radar system

Our INTRICOAT service and Iridite treatment provides meticulous powder coating and vital corrosion protection for these radar systems in all climates.

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