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Industrial Coatings Metal Primer

Primed to defend

PU metal primers guard against corrosion

Lawn mowers can take a beating. Wet grass and humidity are just a few of the many conditions attacking the metal. Just imagine the harsh conditions that farm and construction machinery, airplanes and railcars must withstand.

industrial metal primer
Reliable protection with PU-based primers

Metal components are exposed to harsh weather, chemicals and fuels, dirt, flying gravel, and much more. Polyurethane (PU) industrial primers are their first layer of protection.

For some industrial metal substrates, the added protection of a multi-layer coating system is preferred. PU metal primers based on raw materials from Covestro are an excellent solution.

General industrial primers protect substrates from humidity, oxidation and corrosion. PU adheres well to metals, and its crosslinked network provides resistance to chemicals and water.

PU industrial primers also help increase efficiency because of their rapid curing. Air dry metal coatings typically cure to touch within 2 hours; forced dry (baking) coatings usually take 30 minutes or less.

Manufacturers can choose between solventborne and waterborne one- (1K) and two-component (2K) systems depending on their preferred processing conditions and required coating properties.

With their tunable drying and hardening properties, 2K waterborne PU industrial primers combine increased productivity with reduced volatile organic compound (VOC) content, excellent corrosion protection and impact strength. Waterborne polyurethane liquid primer resins also offer low-VOC content and are ready-to-use for easy formulation.

 
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