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ISO 12944 was published in 1998 as both a European and International standard and it is the highest worldwide and qualified standard reference for effective corrosion protection of steel structures. |
| Paint system nr. | Substrate | Surface preparation | Zinc epoxy primer | Primer | Topcoat | Paint system DFT(µM) | Corrosion class and durability | |
| 1 | Steel | Sa 2½ | -- | Epoxy Primer 7-413 | Epoxy Topcoat 7-410 | 195 | C3-Medium C4-Low |
Paint system n° 1 |
| 1 | Zinc-coated steel | -- | -- | Epoxy Primer 7-413 | Epoxy Topcoat 7-410 | 200 | C2-Low, Medium, High C3-Low, Medium, High C4-Low, Medium C5-M-Low |
Paint system n° 1 |
| 2 | Steel | Sa 2½ | -- | Epoxy Primer 7-413 | PUR extra Topcoat 7-512 | 200 | C3-High C4-Medium C5-M-Low |
Paint system n°2 |
| 2 | Zinc-coated steel | -- | -- | Epoxy Primer 7-413 | PUR extra Topcoat 7-512 | 210 | C2-Low, Medium, High C3-Low, Medium, High C4-Low, Medium C5-M-Low |
Paint system n°2 |
| 3 | Steel | Sa 2½ | -- | Epoxy Primer 7-413 | Acrylic Topcoat 7-110 |
220 | C3-Medium C4-Low |
Paint system n°3 |
| 4 | Steel | Sa 2½ | -- | PUR Primer 2.705.0500 | PUR extra Topcoat 7-512 | 230 | C3-High C4-Medium C5-M-Low |
Paint system n°4 |
| 4 | Zinc-coated steel | -- | -- | PUR Primer 2.705.0500 | PUR extra Topcoat 7-512 | 240 | C2-Low, Medium, High C3-Low, Medium, High C4-Low, Medium C5-M-Low |
Paint system n°4 |
| 5 | Steel | Sa 2½ | -- | PUR Primer 2.705.0500 | Acrylic UHS Topcoat 7-120 | 230 | C3-High C4-Medium C5-M-Low |
Paint system n°5 |
| 5 | Zinc-coated steel | -- | -- | PUR Primer 2.705.0500 | Acrylic UHS Topcoat 7-120 | 240 | C2-Low, Medium, High C3-Low, Medium, High C4-Low, Medium C5-M-Low |
Paint system n°5 |
| 6 | Steel | Sa 2½ | -- | -- | 2K PUR Direct to Metal Topcoat 7-534 | 160 | C3-High C4-Medium C5-M-Low |
Paint system n°6 |
| 6 | Zinc-coated steel | -- | -- | -- | 2K PUR Direct to Metal Topcoat 7-534 | 180 | C2-Low, Medium, High C3-Low, Medium, High C4-Low, Medium C5-M-Low |
Paint system n°6 |
| 9 | Steel | Sa 2½ | Zinc rich epoxy Primer 2.704.0490 |
-- | 2K PUR Direct to Metal Topcoat 7-534 | 300 | C5-I High C5-M High |
Paint systemnº9 |
| 10 | Steel | Sa 2½ | -- | HB anticorrosive epoxy Primer 2.704.0440 | HB acrylic Topcoat 7-130 |
300 | C5-I High C5-M High |
Paint systemnº10 |
| 10 | Zinc-coated steel | -- | -- | HB anticorrosive epoxy Primer 2.704.0440 | HB acrylic Topcoat 7-130 |
270 | C5-I High C5-M High |
Paint system n°10 Z |
| 11 | Steel | Sa 2½ | -- | HB anticorrosive epoxy Primer 2.704.0440 | PUR extra Topcoat 7-512 | 250 | C5-I High C5-M High |
Paint systemnº11 |
| 11 | Zinc-coated steel | -- | -- | HB anticorrosive epoxy Primer 2.704.0440 | PUR extra Topcoat 7-512 |
250 | C5-I High C5-M High |
Paint system n°11 Z |