Vallejo Plastic Putty 20ml White Filler

Vallejo Plastic Putty for Fine Model Kit Repairs

Not every gap needs a heavy handed fix. Sometimes you are chasing hairline seams, pinholes, and the faint sink marks that only show up once primer goes down. For those moments the Vallejo Plastic Putty is exactly the right tool. Supplied in a 20 milliliter tube, this white, water based filler has a smooth, creamy consistency that lets you place material precisely where you want it and nowhere else. It is opaque, it dries to a consistent matte finish, and it cleans up with water, which makes it one of the friendliest fillers a builder can keep on the bench.

Built for Precision Seam and Gap Work

The soft, spreadable texture is the standout feature here. You can push it into a fine seam with a spatula, wipe the excess with a damp cloth or brush, and leave a repair that needs barely any sanding at all. That damp wipe technique is the real advantage of a water based putty, because it lets you smooth and feather the material before it dries, cutting your abrasive work down to a light final pass. For small gaps and joints on a model kit, this control means you fill the flaw without burying the surrounding surface detail.

Filling Pinholes and Sink Marks

Pinholes in cast or molded parts are notoriously annoying, and this putty handles them well. Work a small amount over the hole, let it dry, and the opaque white fill hides the defect completely under primer. Shallow sink marks respond the same way, taking a thin skim coat that levels the surface without the shrinkage cracking you might see from a thicker solvent based product. Because it is white, it also gives you a clean, neutral base that will not muddy light paint colors later.

• Water based filler that cleans up easily with water
• Smooth creamy texture for precise seam and gap work
• Opaque white finish ideal under light paint colors
• Fills pinholes and shallow sink marks with minimal sanding
• Convenient 20 milliliter tube with a controllable flow

Tips for a Smooth Finish

Apply in thin layers rather than one heavy pass, since even a low shrinkage filler benefits from building up gradually. A damp brush is your best friend for smoothing the wet putty flush, often reducing sanding to a single gentle stroke once it dries. Let each application dry fully before adding more, and follow up with a coat of surface primer to confirm the repair has disappeared. Keep the cap sealed tightly between sessions so the tube stays workable for the long haul.

The Detail Builder's Choice

This filler is not about brute force, it is about finesse. For clean seam removal, invisible pinhole fills, and tidy gap work on plastic kits, the Vallejo Plastic Putty gives you the control to fix flaws without creating new sanding headaches. It sits comfortably alongside heavier epoxy and lacquer fillers in a well stocked toolkit, covering the fine, detailed repairs those coarser products would overwhelm. If your goal is a smooth, seamless finish with the least fuss, this is the tube you will keep reaching for.

Popular alternative: Tamiya Epoxy Putty Set with Sanding Sticks. Browse our full range of putty & fillers.

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