DDPASS ZECO
DDPASS ZeCo is a cobalt-free thick film passivation. It produces blue to violet iridescent surfaces. DDPASS ZeCo achieves high levels of corrosion protection even after heat treatment at 120 °C for 24 hours.
DDPASS ZeCO HT
DDPASS ZeCo HT is a cobalt-free thick film passivation. It produces blue to violet iridescent surfaces. DDPASS ZeCo HT achieves high levels of corrosion protection even after heat treatment at 210 °C for 8 hours.
Coating parameters
| Product | Coating in l/100 l | Ph range from-to | T in °C | t in s | Max. metal impurity content in g/L | Service life in m2/l |
| DDPASS | 10 -18 | 1.8 -2.1 | 25 -45 | 30 -70 | Zn: 15, Fe:0.15 | 2.5 |
| DDPASS HT | 8 -15 | 2.0 -2.4 | 20 -40 | 40 -70 | Zn: 15, Fe:0.15 | 2.5 |
| Yellow thick film passivation | ||||||
| DDPASS | 15 -21 | 1.6 -2.2 | 20 -50 | 30 -70 | Zn: 15, Fe: 0.15 | 2.5 |
| DDPASS part 2 | 0.7 -1 | |||||
| Yellow iridescent (two-part) thick film passivation | ||||||
| DDPASS | 15 -21 | 1.8 -2.1 | 20 -50 | 30 -70 | Zn: 15, Fe: 0.15 | 2.5 |
| DDPASS part 2 | 0.25 -1 | |||||
| DDPASS part 3 | 0.5 -1 | 25 -45 | ||||
| Yellow iridescent (one part) thick film passivation | ||||||
| DDPASS | 15 -21 | 1.8 -2.1 | 20 -50 | 30 -70 | Zn: 15, Fe: 0.15 | 2.5 |
| DDPASS part 4 | 0.5 -1.5 | 1.8 -2.1 | 25 -45 | 30 -70 | ||
| DDPASS ZeCo | 9 -11 | 2 -2.4 | 25 -35 | 45 -60 | Zn: 10, Fe: 0.1 | |
| DDPASS ZeCo HT | 9 -11 | 2 -2.4 | 25 -35 | 45 -60 | Zn: 10, Fe: 0.1 |
