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  • Zincanode 685

Zincanode 330

A high build, inorganic zinc rich alkyl silicate primer. It conforms to the composition and performance requirements of SSPC Paint 20.

Zincanode 330 is a high-performance primer to provide corrosion protection to blasted steel substrates in highly corrosive environments, such as onshore and offshore steelworks, pipelines, bridges, etc. Ideal for providing long term protection to structural steel before field topcoating, it has a minimum of 85% zinc on dry film providing outstanding long-term anti-corrosion. It has fast drying properties and is able to withstand a surface dry heat temperature of up to 400º C.


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Corrosion ResistantHeat Resistance upto 400°C Zinc Rich - 85% Zinc
Finishes -Matt

Surface preparation

  • Remove all wax, oil and grease by solvent cleaning in accordance with the guidelines given by SSPC-SP1.
  • Wherever necessary remove weld spatter and smoothen all rough weld seams and sharp edges.
  • Abrasive blast clean to a minimum standard of Sa2½ (ISO 8501-1:1988) or SSPC-SP10.
  • For optimum performance, blast to Sa 3.0 White Metal or SSPC-SP5 is recommended. An average surface profile of 50 microns is acceptable, but should not exceed 75 microns.
  • Ensure all surface defects detected after blast cleaning is ground, filled or treated in a suitable manner.
  • After blasting, remove dust from the surface. Ensure that the surface to be coated is clean, dry and free from any contaminants.
  • Apply Zincanode 330 immediately after blasting to avoid oxidation and recontamination of the steel surface. In case of oxidation or recontamination, re-blast to the required standard.
  • To avoid condensation of moisture onto substrate prior to coating application, relative humidity should not exceed 85% and substrate temperature should be more than 3°C above Dew Point.

Application procedure

  • Filter the zinc powder through a screen of 250μm to 500μm to remove large particles.
  • Stir liquid converter thoroughly and add the filtered powder while stirring.
  • Ensure the liquid converter and the powder is and thoroughly mixed.
  • Keep stirring during application.


Tools you can use


May be used for difficult shapes or touch up purposes

Airless Spray

Conventional Spray

May require additional dilution to achieve good atomisation.


May be used for difficult shapes or touch up purposes

Available Packs


1 Coat
12.40 Sqm/L @ 50 microns**


On well-prepared surfaces, as per the painting system recommended. Please refer to the Product Data Sheet for surface preparation and method of application.

** Actual coverage may vary from the quoted coverage due to factors such as method and condition of application, surface roughness, and porosity.

Popular system

  • Base Coat
    Zincanode 330
  • First Coat
    Epilux 58HS
  • Second Coat
    Luxathane 5075

Other systems

  • Base Coat
    Zincanode 330
  • First Coat
    Epilux 58
  • Second Coat
    Luxathane 5075
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