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2K ethyl silicate inorganic zinc-rich primer with high zinc content for maximum cathodic protection on industrial steel. Engineered for bridges, transmission towers & oil pipelines. Weld and cut tolerant, Sa2.5 prep, 40–80µm DFT.
PLE06-4 Inorganic Zinc-Rich Primer is a two-component inorganic zinc-rich primer based on ethyl silicate resin and zinc dust.
The product is formulated with ethyl silicate resin, zinc dust, toughening agent, anti-settling agent, and solvent, and is supplied as Part A and Part B. It is described as having high zinc dust content with excellent corrosion resistance and cathodic protection, heat resistance, good welding/cutting resistance, good compatibility with other coating types, and excellent resistance to water, oil, and media.
Described as having high zinc dust content
Provides excellent corrosion resistance and cathodic protection
Described as having heat resistance
Described as having good welding/cutting resistance
Described as having good compatibility with other coating types
Described as having excellent resistance to water, oil, and media
This primer is suitable for long-term steel protection projects in industrial and marine environments.
Typical application areas
Blast-cleaned steel
Bridges
Towers
Gas holders
Oil tanks
Oil/gas pipelines
Industrial steel structures
Abrasive blasting to Sa 3 (not lower than Sa 2.5), or power-tool cleaning to St 3; surface profile 30–75 µm.
Storage
Store in a dry, cool, ventilated warehouse away from fire sources and direct sunlight; outdoor storage is not permitted.
This primer is compatible with epoxy intermediate coating, epoxy topcoat, and polyurethane intermediate coating.
What is this primer used for?
This primer is used as a long-term anti-corrosion primer for blast-cleaned steel.
What substrates and structures is it suitable for?
The product is suitable for blast-cleaned steel, bridges, towers, gas holders, oil tanks, oil/gas pipelines, and industrial steel structures.
What application methods are recommended?
The product can be applied by airless spray and brush.
What surface preparation is required before application?
Abrasive blasting to Sa 3 (not lower than Sa 2.5), or power-tool cleaning to St 3, with a surface profile of 30–75 µm.
What is the recommended recoat interval?
The minimum recoat interval is 24 h at 25°C and RH 70–85%, and it is longer at lower humidity; the maximum interval is not limited.
What coatings is it compatible with?
It is compatible with epoxy intermediate coating, epoxy topcoat, and polyurethane intermediate coating.
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