Zinc Rich Primer Powder Coatings

Zinc Rich Primer Powder Coatings

Zinc rich primer powder coating are recommended for use as an anti-corrosive primer where good-quality chemical conversion pre-treatment is recommended or specified but may not be available. Intended to be overcoated with a suitable coating, depending on the end-use application. The primer is partially cured prior to application of the topcoat in order to achieve bonding of the two layers. The substrate must be in a clean, rust-free condition prior to application of the primer.

Properties

Mandrel bend BS3900 Pt E1 Pass 13mm
Scratch resistance BS3900 Pt E2 Pass 4kg
Impact resistance BS3900 Pt E3 Pass 50 in/Ibs
Adhesion BS3900 Pt E6 (2mm) No detachment
Salt fog resistance ASTM B117 (1000hrs) (plain mild steel) Max 0.5mm creep
Humidity BS3900 Pt F2 (1000hrs) (plain mild steel) No blistering

Beckryzinc® Beckryzinc® from Dupont is widely used for corrosion resistance using a top coat polyester. This zinc rich powder provides excellent adhesion to the substrate.