Pure epoxy primer powder MT Plus -AL117N

Product details

Product Description

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.

Key benefits:

Wide curing range, good mechanical properties, excellent edge coverage, good anti gassing properties, good over coating capacity.

Powder Properties

Chemical type	Thermosetting epoxy
Appearance	Smooth
Gloss level(60°)	Aspect may vary depending on curing conditions (green cure)
Color	Grey
Recommended Film Thickness (µm)	60 – 80 µm
Density (g/cm3)	1.5 ± 0.03 g/cm³
Application	Electrostatic
Storage	Under dry, cool (≤ 30°C) conditions
Shelf life	At least 12 months from production date

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	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.
Hot dip galvanized steel		Degreasing & phosphating / chromating followed by passivation.
Aluminium	Sweeping	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	Banned

Application

MT Plus is suitable for corona electrostatic spraying.

Recommended film thickness	60-80 µm A good protection is linked with the recommended film thickness.
Recycling	Unused powder can be reclaimed using suitable equipment and recycled through the coating system, but a minimum of 70% new powder should be used.

PRODUCT

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