EN
DE
Types of Phosphating
Here is a summary table of the types of phosphating, including their chemical composition, main properties, and common applications:
Type of Phosphating |
Main Chemical Base |
Key Properties |
Typical Coating Thickness |
Common Applications |
| Zinc Phosphating | Zinc Phosphate (Zn₃(PO₄)₂) | Excellent corrosion protection, paint adhesion | 3–15 µm | Automotive components, household appliances |
| Manganese Phosphating | Manganese Phosphate (Mn₃(PO₄)₂) | High wear resistance, good lubrication | 5–20 µm | Gears, bearing surfaces, firearms |
| Iron Phosphating | Iron Phosphate (FePO₄) | Cost-effective, basic corrosion protection, paint prep | <1 µm | General industrial parts, consumer products |
| Calcium-Modified Phosphating | Zinc or Iron phosphate + Calcium | Improved uniformity, better paint adhesion | Varies | Car bodies, large coated structures |
| Nickel-Enhanced Phosphating | Zinc Phosphate + Nickel | Superior corrosion resistance, strong coating | 3–15 µm | Aerospace, high-demand industrial applications |
| Tri-cation Phosphating | Zinc + Nickel + Manganese Phosphate | Optimal corrosion resistance, high coating stability | 3–10 µm | Automotive bodies, chassis parts |
| Amorphous Phosphating | Phosphate without visible crystals | Smooth surface, thin layer, ideal for painting | <1 µm | Electronics housings, precision-machined parts |
| Cold Phosphating | Phosphate coatings at lower temp. | Low energy, simpler equipment, moderate protection | Thin layer | Maintenance, touch-up, small-scale processing |
Get In Touch
Our senior sales and technical engineers will answer you questions fast and efficient.