PN-5 High Corrosion Resistance Sealer with Strong Coverage
An environmentally friendly chromium-free sealant designed for enhanced protection after zinc plating passivation processes.
Process Flow
- Hexavalent chromium-free environmentally friendly sealant formulation
- Ideal for post-treatment sealing after various zinc plating passivation processes
- Typically produces a silver-colored plating appearance
- Suitable for immersion application methods
- Enhances passivation film protection by 0.2-0.5 times in neutral salt spray tests
Preparation Specifications
| Parameter |
Specification |
| PN-5 Sealant Concentration |
15-40% (Higher concentrations produce thicker layers) |
| Operating Temperature |
Room temperature (20-45°C) |
| Drying Temperature |
80-120°C (must not exceed 120°C) |
| pH Level |
7.0-8.0 |
| Processing Time |
10-60 seconds |
| Tank Material |
Stainless steel, plastic, or steel tanks with plastic liners |