Zinc Phosphate Coating Agent
Zinc phosphate coating agent forms a crystalline zinc phosphate conversion layer on steel and iron substrates, enhancing adhesion for subsequent paint or powder coating systems. It provides excellent corrosion resistance and is widely used in automotive, appliance, and general metal finishing industries. The treatment produces a uniform, fine-grained phosphate crystal structure compatible with all major topcoat technologies.
Технические характеристики
| pH | 2.5-3.5 |
| appearance | Light grey to white crystalline powder or clear liquid concentrate |
| active content (%) | ≥98 |
| crystal size (μm) | 5-15 |
| coating weight (g/m²) | 1.5-4.5 |
Области применения
- Automotive body and parts pre-treatment
- Appliance and white goods metal finishing
- Industrial steel structure coating preparation
- Powder coating and e-coat primer adhesion
- Agricultural and construction equipment finishing
Особенности продукта
- Forms dense crystalline phosphate layer for superior paint adhesion
- Compatible with cathodic electrodeposition (e-coat) and powder coating
- Excellent salt spray resistance exceeding 500 hours
- Low heavy metal sludge generation compared to classical processes