MT-PZ is a powder coating primer containing zinc which is designed to give enhanced corrosion protection of mild steel. This duplex system combines cathodic protection and barrier effect. Dedicated to steel protection with a surface pre-treatment obtained by grit/shot. MT- PZ is based on a specific epoxy zinc rich formulation that brings conductivity to enable the cathodic protection. MT-PZ includes a specific anticorrosive function which improves the protection in case of scratch.
| রাসায়নিক প্রকার | Thermosetting epoxy |
| চেহারা | মসৃণ |
| Color | গ্রে |
| Recommended Film Thickness (µm) | 70 - 120 µm |
| ঘনত্ব (গ্রাম / cm3) | ১.০ ± ০.১ গ্রাম/সেমি³ |
| আবেদন | ইলেক্ট্রোস্ট্যাটিক |
| সংগ্রহস্থল | Under dry, cool (≤ 30°C) conditions |
| সেল্ফ জীবন | At least 12 months from production date |
Surface preparation depends upon the metal, the type of surface, its conditions and the required performance. See our recommendation for pretreatment to be used with MT- PZ.
| স্তর | Mechanical pretreatment | Chemical pretreatment |
| মৃদু ইস্পাত | Grit Blasting Sa 2.5 in accordance with ISO NF EN 8501-1. Roughness: Rz 35 60 µm / Ra 6-12 µm | নিষিদ্ধ |
| Castালাই ইস্পাত | ||
| Electro Zinc steel | নিষিদ্ধ | |
| হট ডিপ গ্যালভানাইজড স্টিল | ||
| Zinc sprayed (gas flame/electrical deposition) |
MT-PZ is suitable for corona electrostatic spraying. Tribo application is not recommended.
| আবেদন নির্ধারণ | Fluidizing air pressure: 1.5kg/cm² initially then 1kg/cm² Transport air pressure: 0.5 to 0.8 kg/cm Recommended voltage: 65 to 70kV |
| Curing limits | Primer should be cured, or at least gelled, using the recommended curing schedules, before application of the topcoat. The object temperature must not be below 110°C or above 180°C. The primer should be cured in a convection oven, optionally with infra-red heaters, with air temperature not exceeding 180°C. |
| প্রস্তাবিত ফিল্ম বেধ | 70-120 µm A good protection is linked with the recommended film thickness. |
| পুনর্ব্যবহারযোগ্য | Trials, with suitable recycling equipment, must be carried out before commencing production. Attention should be paid to the ratio of new powder, a minimum of 70% must be used. Gun nozzles must be cleaned every 30 minutes. |
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