WEICON Aluminium Spray A-400 Brilliant 400 ml

Weicon Aluminium Spray A-400 Brilliant 400 ml is a technical spray solution designed to create a bright aluminium-look coating on metal surfaces. With high-purity aluminium pigments, it forms a film layer that supports corrosion protection and is suitable for both indoor and outdoor applications. It offers the advantage of fast application in maintenance/repair, assembly, and surface refurbishment work. The manufacturer is WEICON, and the company headquarters are stated to be in Germany.

A-400 Brilliant aluminium technical spray: product definition and intended use
This technical spray is an aluminium coating aerosol intended to provide a protective surface film together with decorative brilliance on metallic surfaces. The binder system is stated to be a hydrocarbon resin, and the pigment structure is described as flake aluminium pigments; this supports a more uniform metallic appearance of the coating. Since the pigment purity is given as approximately 99.5% Al, the coating’s brilliance and surface appearance can become more consistent along with application quality. Especially for touch-up of bare metal parts, surface renewal, and maintenance processes where corrosion risk must be managed, the technical spray format provides practical advantages.

Application conditions and performance features of Weicon Aluminium Spray A-400
The product is positioned for indoor and outdoor use; the process temperature range is given as +5 °C to +35 °C, with an ideal range stated as +18 °C to +35 °C. Because the dust-dry time is stated as about 10 minutes and full curing as about 4–6 hours, a waiting window can be planned within pre- and post-assembly process sequencing. The recommendation to apply in cross coats from a distance of about 25 cm supports achieving a more even film on the surface. Since consumption for 1.5 cross coats is given as approximately 2 m², it should be noted that actual coverage can vary depending on part geometry.

Coating durability and surface behavior
The metal content in the dry film is stated as approximately 23%, which is a parameter supporting the metallic character of the film structure. For high-temperature resistance, a temperature resistance value of up to +800 °C is stated; therefore, it can be considered when selecting for metal surfaces exposed to heat. In addition, the emphasis on resistance to many dilute acids and bases and to weathering helps the coating remain more stable in industrial maintenance environments. At this point, the main benefit targeted with the technical spray is to provide an aluminium-look protective layer quickly and practically.

Application steps, compatible substrates, and sector-specific use areas
Before application, keeping the surface dry, clean, and free of oil and dirt is considered critical for adhesion and visual integrity of the coating. It is stated to be suitable for use on metal surfaces such as pipelines, machine housings, cooling/ventilation equipment, and various enclosure parts; application examples also include fiberglass body components. It may also be preferred in areas requiring finer workmanship, such as model making, crafts, and toy manufacturing, due to its bright surface effect. If enhanced corrosion protection is targeted, a zinc spray primer recommendation appears in the documentation; this approach provides a practical pairing within layered surface protection strategies.