Mr. Hobby GUNZE Surfacers are high-quality primer and surface-filling compounds designed to prep plastic, resin, and metal model parts for paint. Long favored by experienced builders and shops that take surface prep seriously (including the team at Fusion Scale Hobbies), these surfacers help reveal imperfections, smooth seams and scratches, and improve paint adhesion for a cleaner final finish. Choose the Right Surfacer Grade Mr. Hobby Surfacers are offered in multiple grades (viscosities), making it easy to match the product to the job: Lower numbers = thicker surfacer for filling and blending Higher numbers = finer surfacer for detail-friendly priming #500 – Extra thick; ideal for filling deeper scratches, seam lines, sink marks, and small gaps in early build stages. #1000 / #1200 / #1500 – Progressively finer grades commonly used as primers before painting, helping create a smooth, even base while preserving surface detail. Spray Can or Jar Options Mr. Hobby Surfacers are available in: Spray cans – Ready to use for fast, even coverage Jars (bottles) – Great for brushing or airbrushing Airbrush Thinning (Recommended) For airbrushing #1000, #1200, or #1500, a common starting point is about 1:3 (1 part surfacer to 3 parts thinner) for smooth flow and leveling. For best compatibility, use Mr. Hobby Thinner T-102 (110ml) or T-103 (250ml). Color Options & What They’re For Gray – A true all-purpose primer; excellent for spotting flaws and sanding marks White – Helps bright and light colors stay vibrant and clean Black – Perfect under metallics, candy finishes, and high-contrast paint effects Why Modelers Choose Mr. Hobby Surfacer Fills and smooths surface imperfections Improves paint adhesion and durability Preserves fine molded detail Works in spray cans or through an airbrush Delivers consistent, professional-grade results Whether you’re building aircraft, armor, automotive, military subjects, or model railroad projects, Mr. Hobby GUNZE Surfacers provide dependable surface preparation when finish quality matters.
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