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.
| Jenis kimia | Thermosetting epoxy-polyester |
| Penampilan | Halus |
| Gloss level (60°) | 50-60 unit |
| Warna | Abu-abu |
| Ketebalan Film yang Direkomendasikan (µm) | 60 – 80 m |
| Densitas (g / cm3) | 1.65 – 1.70 g/cm³ |
| Aplikasi | Elektrostatik |
| Storage | Dalam kondisi kering dan dingin (≤ 30°C) |
| Kehidupan rak | Setidaknya 12 bulan dari tanggal produksi |
| Flexibility (Cylindrical Mandrel) | ASTM D522-93A | Pass 3 mm (Primer) Pass 10 mm (System) |
| Adhesi | ASTM D3359-97 (2mm crosshatch) | Class 0 (Primer) Class 0 (System) |
| Erichsen Cupping | ASTM 643-84 | Pass 5 mm (Primer) Pass 4 mm (System) |
| Dampak | ASTM D2794 | Pass 0.4 kg·m (Primer) Pass 0.3 kg·m (System) |
Persiapan permukaan bergantung pada logam, jenis permukaan, kondisinya, dan kinerja yang diperlukan.
| Substrat | Perlakuan awal mekanis | Perlakuan awal kimia |
| baja ringan | Grit Blasting Sa 2.5 sesuai dengan ISO NF EN 8501-1. Kekasaran: Rz 42 84 µm / Ra 6-12 µm | Pembersihan lemak & fosfat (atau setara) diikuti oleh pasivasi, pembilasan DW dan pengeringan. |
| Baja tuang | ||
| Baja Seng Elektro | Sweep blasting with a maximum zinc layer thickness reduction of 5 to 10 µm depending on the initial zinc thickness | |
| Hot dip galvanized stee | Penghilangan lemak & fosfatisasi / kromatisasi diikuti oleh pasivasi. | |
| flame/electrical deposition) | Grit Blasting Sa 3 sesuai dengan ISO NF EN 8501-1. Kekasaran: Rz 42 84 µm / Ra 6-12 µm | Banned |
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