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Powder coating primer MT-Active EL193N

MOQ 100KG, Shipped from China
Feature Easy to Use Eco-friendly
OEM  OEM Services Provided
Advantage  Professional, Fast Delivery, Customizable
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Surface Finish Options Overview

Product Description

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.

Powder Properties

Chemical type Thermosetting epoxy-polyester
Appearance Smooth
Gloss level (60°) 50-60 units
Color Grey
Recommended Film Thickness (µm) 60 - 80 µm
Density (g/cm3) 1.65 - 1.70 g/cm³
Application Electrostatic
Storage Under dry, cool (≤ 30°C) conditions
Shelf life At least 12 months from production date

Mechanical Tests

Flexibility (Cylindrical Mandrel) ASTM D522-93A

Pass 3 mm (Primer)

Pass 10 mm (System)

Adhesion ASTM D3359-97 (2mm crosshatch)

Class 0 (Primer)

Class 0 (System)

Erichsen Cupping ASTM 643-84

Pass 5 mm (Primer)

Pass 4 mm (System)

Impact ASTM D2794

Pass 0.4 kg·m (Primer)

Pass 0.3 kg·m (System)

Pretreatment

Surface preparation depends upon the metal, the type of surface, its conditions and the required performance.

Substrate Mechanical pretreatment Chemical pretreatment
Mild steel 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.
Cast steel
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 & phosphating / chromating followed by passivation.
flame/electrical deposition) Grit Blasting Sa 3 in accordance with ISO NF EN 8501-1. Roughness: Rz 42 84 µm / Ra 6-12 µm Banned

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