| Plascoat PPA 571 ES Electrostatic Spray Coating onto mild steel | Date: | Aug-02 | ||||||||
| Environmental Classification to EN ISO 12944-2 | ||||||||||
| Property | Corrosivity Category | Water and Soil | Notes: | |||||||
| C1 | C2 | C3 | C4 | C5 - I | C5 - M | Im1 | Im2 | Im3 | ||
| Rural | Urban or | Industrial | Aggressive | Coastal | Fresh | Sea | Soil | |||
| Industrial | Coastal | Industrial | Offshore | water | ||||||
| None | Low | Medium | High | Very high | Very high | Brackish | ||||
| Industrial | Marine | water | ||||||||
| Pre-treatment | ||||||||||
| Chemical: (1) | P4- P8 | P4- P8 | P4- P8 | P5-P8 | P5-P8 | P5-P8 | P5-P8 | P5-P8 | P5-P8 | |
| Min. thickness | 200 m | 200 m | 220 m | 250 m | 250 m | 250 m | 250 m | 250 m | 250 m | |
| Expected lifetime | ||||||||||
| ISO 12944 - 1:1998 | High | High | High | High | High | High | High | High | High | High: > 15 years |
| Designation after 15 years lifetime | ||||||||||
| Blistering: ISO 4628/2 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | None |
| Rust scale: ISO 4628/3 | Ri 0 | Ri 0 | Ri 0 | Ri 0 | Ri 0 | Ri 0 | Ri 0 | Ri 0 | Ri 0 | None |
| Cracking: ISO 4628/4 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Dens. 0 | Not visible under 10X magn. |
| Flaking: ISO 4628/5 | Quant. 0 | Quant. 0 | Quant. 0 | Quant. 0 | Quant. 0 | Quant. 0 | Quant. 0 | Quant. 0 | Quant. 0 | Not visible under 10X magn. |
| Chalking: ISO 4628/6 | 0-1 | 0-1 | 0-1 | 0-1 | 0-1 | 0-1 | 0 | 0 | 0 | |
| Limitations | Design should be in accordance with ISO 12944-3:1988 | |||||||||
| and exclusions: | The substrate is appropriately cleaned and is free of sharp edges or corners | |||||||||
| Initial and outgoing quality control procedures are in line with Plascoat recommendations | ||||||||||
| The coating is applied in accordance with Plascoat recommendations | ||||||||||
| The coating is continuous and free from exposed edges and pinholes | ||||||||||
| The coated item is installed on-site in accordance with Plascoat recommendations | ||||||||||
| The coating has not been damaged through to the metal, for example during transport, | ||||||||||
| site erection, fixing or subsequent use | ||||||||||
| The metal substrate has not been deformed after coating | ||||||||||
| The coated item has not been exposed to continuous temperatures in excess of 50 deg C | ||||||||||
| or intermittent temperatures above 65 deg C | ||||||||||
| The long term exposure to UV light is in accordance with recommendations given by Plascoat | ||||||||||
| (1) Note: | P4 | Specific amorphous phosphate | ||||||||
| P5 | Specific amorphous phosphate plus passivation | |||||||||
| P6 | Zn-Ni crystaline phosphate plus passivation | |||||||||
| P7 | Chromate | |||||||||
| P8 | Tri-cation phosphate | |||||||||