MT-Active is a powder coating primer, totally free from Zinc. It is designed to give enhanced corrosion protection of mild steel and is an epoxy-polyester primer including active anticorrosive pigments. The addition of these pigments provides a steel passivation effect to protect the substrate enhancing the performance when compared to other non-active systems.
| Uri ng kemikal | Thermosetting epoxy-polyester |
| Hitsura | Makinis |
| Gloss level (60°) | 50-60 unit |
| kulay | Grey |
| Inirerekomendang Kapal ng Pelikula (µm) | 60 – 80 µm |
| Density (g / cm3) | 1.65 – 1.70 g/cm³ |
| application | Electrostatic |
| Imbakan | Sa ilalim ng tuyo, malamig (≤ 30°C) na mga kondisyon |
| shelf buhay | Hindi bababa sa 12 buwan mula sa petsa ng produksyon |
| Flexibility (Cylindrical Mandrel) | ASTM D522-93A | Pass 3 mm (Primer) Pass 10 mm (System) |
| pagdirikit | ASTM D3359-97 (2mm crosshatch) | Class 0 (Primer) Class 0 (System) |
| Erichsen Cupping | ASTM 643-84 | Pass 5 mm (Primer) Pass 4 mm (System) |
| EPEKTO | ASTM D2794 | Pass 0.4 kg·m (Primer) Pass 0.3 kg·m (System) |
Ang paghahanda sa ibabaw ay nakasalalay sa metal, ang uri ng ibabaw, mga kondisyon nito at ang kinakailangang pagganap.
| Substrate | Mechanical pretreatment | Pretreatment ng kemikal |
| Mild steel | Grit Blasting Sa 2.5 alinsunod sa ISO NF EN 8501-1. Pagkagaspang: Rz 42 84 µm / Ra 6-12 µm | Degreasing at phosphating (o katumbas) na sinusundan ng passivation, DW rinsing at drying. |
| Cast bakal | ||
| Electro Zinc steel | Sweep blasting with a maximum zinc layer thickness reduction of 5 to 10 µm depending on the initial zinc thickness | |
| Hot dip galvanized stee | Degreasing at phosphating / chromating na sinusundan ng passivation. | |
| flame/electrical deposition) | Grit Blasting Sa 3 alinsunod sa ISO NF EN 8501-1. Pagkagaspang: Rz 42 84 µm / Ra 6-12 µm | Pinagbawalan |
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