Mr. Hobby – Mr. Metal Primer Spray – B504
Essential Undercoat for Painting on Metal Surfaces
About the Product:
Mr. Metal Primer Spray B504 is a specialized undercoat designed to prepare metal model parts for painting with Mr. COLOR, AQUEOUS HOBBY COLOR, and other hobby paints. This clear primer improves adhesion on smooth or non-porous surfaces like die-cast parts, photo-etch, or metal accessories—ensuring that paint bonds cleanly and resists chipping or flaking.
About the Formula:
The clear aerosol primer forms a durable, invisible film that acts as a bridge between metal surfaces and acrylic or lacquer paints. It's ideal for modelers working with multi-material kits that combine plastic and metal components, such as gunpla upgrades, scale model detailing parts, and military or aircraft kits with metal elements.
What's Included:
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1 Spray Can of Mr. Metal Primer B504 (Clear Primer for Metal Surfaces)
Product Features:
Specialized for Metal: Designed specifically to prime metal parts for painting with Mr. COLOR and AQUEOUS HOBBY COLOR paints
Clear Finish: Leaves no visible residue—maintains detail and allows the base surface or panel lines to remain visible
Improved Paint Adhesion: Prevents peeling or scratching by creating a reliable surface bond for paint layers
Spray-Ready Format: Easy-to-use aerosol can allows for even coating without airbrush setup
Multi-Surface Compatible: Works on a variety of metal surfaces including die-cast, photo-etch, and brass detailing parts
Why Choose Mr. Metal Primer Spray B504?
Reliable Surface Prep: Essential for ensuring long-lasting paint adhesion on tricky metal areas
Preserves Detail: Goes on thin and clear, avoiding buildup that can obscure fine etching or molding
Ideal for Multi-Material Builds: A must-have for kits that mix plastic and metal parts
Trusted by Modelers: Used worldwide for its effectiveness and compatibility with popular hobby paints
Mr. Metal Primer Spray B504 is the professional solution for prepping metal model parts—simple, effective, and essential for a flawless paint finish.