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WEICON Zinc Spray "bright grade" is approved by the German TÜV and provides all metal surfaces with a long-lasting cathodic corrosion protection. It has a bright colour shade matching fresh hot-dip galvanization. It forms a fast-drying, adherent protective layer of microfine zinc flakes. The zinc flakes form a resistant protective layer even against extreme weather and environmental conditions. Even after more than 550 hours in the salt spray test according to DIN EN 9227, metal parts coated with WEICON Zinc Spray "bright grade" did not show any corrosion. WEICON Zinc Spray "bright grade" can be used for the coating of welded joints and drill holes, as a conductive intermediate layer for spot welding and wherever metal must be protected against corrosion. Zinc Spray bright grade corresponds to ASTM A 780 as repair coating for hot galvanized surfaces.
| Technical Data – Zinc-Aluminium Spray Coating | |
|---|---|
| Colour | Matching hot-dip galvanizations |
| Application range | Indoor and outdoor use |
| Binder | Modified alkyd resin |
| Pigment | Flaky zinc and aluminium pigments |
| Pigment purity | ~99.9% Zn / ~99.5% Al |
| Metal content in dry film | ~70% |
| Processing temperature | +5 °C to +35 °C (ideal: +18 °C to +35 °C) |
| Recommended primer | Zinc Spray |
| Consumption (1.5 crosswise applications) | 150 ml/m² |
| Layer thickness (1.5 crosswise applications) | Approx. 20–40 μm |
| Dust-dry after | 15 min |
| Cured after | 10–12 h |
| Paintable after | 24 h |
| Minimum shelf life (room temp.) | 24 months |
| Grid cut (DIN 53151 / ISO 2409) | Cross cutting value 0 to 1 |
| Abrasion-resistant | Yes |
| Mandrel bending test (DIN EN ISO 1519) | No hairline cracking |
| Top coat | Not required |
| Density | 1.0 g/cm³ |
| Temperature resistance | -50 °C to +300 °C |
