Mr.Hobby B-504 Mr.Metal Primer Spray 100ml

Mr.Hobby B-504 Mr.Metal Primer Spray is a professional spray preparation, specially designed for modelers working with metal and photo-etched parts. This 100 ml product belongs to the category of modeling chemicals – chemical primers, used for priming surfaces before painting. It is manufactured by the renowned Japanese company Gunze Sangyo, known under the brand Mr.Hobby, a leader in the scale modeling products industry.

• Purpose: Improves the adhesion of Aqueous Hobby Color acrylic paints (H series) and Mr.Color lacquers (C series) on hard-to-paint metal surfaces: photo-etched sheets, aluminum, copper, iron, and even glass and ceramics.
• Properties: Mr.Metal Primer creates an exceptionally thin, transparent coating that does not affect the gloss or texture of components. This makes it perfect for priming polished, glossy surfaces without compromising their visual effect, while protecting the metal from oxidation and corrosion.
• Instructions for use: Simply spray a single thin layer of the product onto the chosen part from a distance of approx. 15–20 cm. After drying (about 20 minutes), you can proceed to apply the final paint or lacquer.
• Product category: Specialized spray primer for modelers, suitable for all types of models: plastic, resin, metal, as well as detailed photo-etches.
• Product material: Advanced chemical blend in aerosol form, developed for efficiency and user safety.
• Manufacturer: Gunze Sangyo (Mr.Hobby), Japan.
• Recommendations: Especially recommended for intermediate and advanced modelers who want the highest durability and paint finish quality, especially for projects with many metal or photo-etched details.
• Difficulty level: 1/5 – very easy to use, suitable for both beginners and professionals.

Mr.Hobby B-504 Mr.Metal Primer Spray is an indispensable product for every modeling workshop, ensuring durability and a quality finish—especially in military vehicle, railway, or aircraft models, where precision and durability are key. It is an absolute must-have for any enthusiast who values the highest standards of model finishing.