Guard Acid Etch Primer for Aluminium And Other Bare Metals Single Pack 5 Litres (Grey)

• Perfect For Difficult Metal Substrates Including Aluminium and Zinc
• Matt Finish
• Very Quick Drying
• Pack Size: 5 Litres
• Available Colours: Black, Grey & White

A Polyvinyl Butyral for use on difficult metal substrates, including zinc and aluminium, to promote adhesion of subsequent coatings. Ideal where minimal preparation can be carried out onto mixed metals and alloys. Technical Data Gloss Level: Matt VOC Level: 750 g/l Heat Resistance: 200°C (dry heat) Recommended Wet Film Thickness: 20 µm Recommended Dry Film Thickness: 125 µm Theoretical Consumption: 8 m² at 20 µm dft Dry to Touch: 20 minutes Dry to Handle: 1 hour Dry to Recoat: 30 minutes Fully Cured: 2 hours Surface Preparation Ensure surfaces are clean, dry and free from grease and other contamination before coating. Thoroughly degrease and where applicable, abrade to remove rust and promote good adhesion of the coating. For optimum corrosion protection, mild steel should be blast cleaned to Sa2.5. Complex structures may be more effectively cleaned by HPWJ (high pressure water jetting).