Pure epoxy primer powder MT Plus -AL117N is a powder primer protective barrier designed to give enhanced corrosion protection of mild steel, hot dip galvanized steel and Zinc sprayed (gas flame/electrical deposition) and Aluminium. MT Plus is a pure epoxy primer showing a high cross-linking degree reinforced with barrier effect agents to provide the best barrier protection.
Pure epoxy primer powder MT Plus -AL117N must be over-coated with our powders or a Cromadex / Inernational PU liquid topcoat. It could be used as holding primer with a maximum waiting delay of 3 weeks.
Wide curing range, good mechanical properties, excellent edge coverage, good anti gassing properties, good over coating capacity.
| Tipo químico | Thermosetting epoxy |
| Aparencia | Alise |
| Gloss level(60°) | Aspect may vary depending on curing conditions (green cure) |
| cor | gris |
| Recommended Film Thickness (µm) | 60-80 µm |
| Densidade (g / cm3) | 1.5 ± 0.03 g/cm³ |
| aplicación | Electrostática |
| almacenamento | Under dry, cool (≤ 30°C) conditions |
| Prazo de validez | At least 12 months from production date |
Surface preparation depends upon the metal, the type of surface, its conditions and the required performance.
| Substrato | Mechanical pretreatment | Chemical pretreatment |
| Aceiro suave | Grit Blasting Sa 2.5 in accordance with ISO NF EN 8501-1. Roughness: Rz 42 84 µm / Ra 6-12 µm. | Degreasing & phosphating (or equivalent) followed by passivation, DW rinsing and drying. |
| Aceiro fundido | ||
| Electro Zinc steel | Sweeping with a maximum zinc layer thickness reduction of 5 to Degreasing & phosphating (or equivalent) followed by passivation, DW rinsing and drying. Hot dip galvanized steel Degreasing & phosphating / chromating followed by passivation. 10 µm depending on the initial zinc thickness. | |
| Aceiro galvanizado por inmersión en quente | Degreasing & phosphating / chromating followed by passivation. | |
| Aluminio | Barrido | Follow QUALICOAT (16th edition) recommendations for pre-treatment methods. |
| Zinc sprayed (gas flame/electrical deposition) | Grit Blasting Sa 3 in accordance with ISO NF EN 8501-1. Roughness: Rz 42 84 µm / Ra 6-12 µm | Proscrito |
MT Plus is suitable for corona electrostatic spraying.
| Grosor de película recomendado | 60-80 µm A good protection is linked with the recommended film thickness. |
| Reciclaxe | Unused powder can be reclaimed using suitable equipment and recycled through the coating system, but a minimum of 70% new powder should be used. |
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