Zinc Dust Primer

Thurmalox 245C - Zinc Dust Primer

Thurmalox 245C Primer is a VOC compliant, high temperature, corrosion resistant primer formulated from silicone resins and zinc dust. Thurmalox 245C Primer provides outstanding corrosion protection for metal surfaces operating at temperatures from 500°F (260°C) to 1000°F (538°C), with peaks to 1200°F (648°C). Thurmalox 245C is the primer for Thurmalox 270/290 series heat resistant topcoats.

Thurmalox 245 is the primer for both Thurmalox 270 Series and Thurmalox 290 Aluminum heat resistant topcoats. These primer/topcoat systems have excellent intercoat adhesion and are able to withstand severe thermal shock throughout the entire temperature range.

Recommended Uses

  • Stacks, breechings, boiler casings
  • Manifolds, mufflers and exhausts
  • Hot piping, process vessels, heat exchangers
  • Refinery equipment - heaters, crackers
  • Furnaces, ovens


  • Air dries
  • Withstands continuous temperature of 1000°F (538°C), with peaks to 1200°F (648°C)
  • Prevents rusting and streaking of steel during shutdowns
  • Easily topcoated with Thurmalox 270/290 Series and Thurmalox 280 Aluminum topcoats
  • Excellent intercoat adhesion
  • Protects against weathering and corrosion
  • Prevents underfilm corrosion attack

Purchase Online

Zinc Dust Primer - Aerosol

Zinc Dust Primer - 12 oz. Aerosol Spray Can - THURMALOX 245 PRIMER IS class=

High Temperature Primer - Aerosol

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