Zinc Spray for Cold Galvanizing

Zinc Spray Dark is a fast-drying, zinc-rich anticorrosion primer designed to provide long-lasting protection for metal surfaces against corrosion. It forms a smooth, salt-water-resistant coating and can be recoated without an additional primer, making it an ideal solution for manufacturing, welding, and industrial maintenance applications.

Applications

The surface must be dry and free from oil, grease, dust, adhering contaminants, and rust. Optimal substrate preparation is achieved by sandblasting. The optimal working conditions are at room temperature (20°C).

Shake for approximately 2 minutes after the mixing balls begin to rattle audibly and vigorously. Based on our experience, a coating thickness of 60–80 μm is sufficient for optimal corrosion protection. After 320 hours, a salt spray test on a dry film thickness of 60–80 μm showed no infiltration.

Apply the coating from a distance of 20–25 cm. To achieve the recommended film thickness, two coats should be applied. Once the first coat is completely dry, the second coat can be applied.

Technical specifications

  • Zinc Spray Dark is a fast-drying zinc dust-based anticorrosion primer, formulated with a selected binder and a very high content of metallic zinc.
  • Primer for all metal parts requiring corrosion protection.
  • Can be recoated without an additional primer.
  • Good electrical conductivity, making it suitable as a marking coating for welds; fast-drying.
  • Forms a smooth, non-porous lacquer coating.
  • Resistant to salt water.

Scope of application

* In metal and industrial construction * In engineering and shipbuilding * In automotive bodywork * In the welding industry

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