Collector Guides
Model Paints: Choosing Acrylic, Enamel and Lacquer
Choose model paints for the surface and the work you want to do. A brush-formulated acrylic can be a practical starting point for seats, dashboards and figures. A model lacquer can suit an airbrushed body or another broad surface. Enamel is another option for brush or spray work, provided you choose the thinner and finishing sequence for that particular range.
The useful decision is more specific than “acrylic, enamel or lacquer?” Identify the paint line, application method, color and sheen, then check how it will work with the primer and later coats. One kit can use different paints on different parts without needing one universal formula for everything.
Compare the paint range before choosing the color
A matte green for a military subject and a glossy metallic blue for a car represent different appearance choices as well as different formulas. The three examples below help separate those decisions. Their bottle sizes tell you what is supplied; they do not establish how many models a bottle will cover.
| Paint and bottle | A useful role | What to match |
|---|---|---|
| Vallejo Model Color 70.893 US Dark Green, 17 ml | A matte green in a range formulated for brush painting models and miniatures. | The Model Color instructions for the bottle: brush dilution and airbrush preparation are different tasks. |
| Testors Metallic Red 1152TT, ¼ fl oz (7.4 ml) | A metallic-red enamel when that color and finish suit the project. | Testors enamel thinner and the bottle’s application and recoating directions. |
| Tamiya LP-45 Racing Blue, 10 ml | Glossy metallic blue; the LP range allows airbrushing large areas and brushing fine details. | Tamiya Color Lacquer Thinner, plus a compatible surface and planned finishing sequence. |
Choose among these ranges by application method, required color and finishing system. “Acrylic” alone does not tell you which thinner to buy, and “lacquer” does not mean that every product carrying that name is suitable for your model’s plastic.
Brush acrylics: check the bottle and the intended technique
Vallejo Model Color 70.893 US Dark Green is listed here in a 17 ml bottle. Vallejo’s guide for that Model Color range describes water-based acrylics developed for brush application and permits water or its 70.524 thinner for dilution. Its airbrush guidance specifies a different product, Airbrush Thinner. That distinction matters when moving from a small brush-painted part to spraying a whole panel.
Put a small amount on a palette and follow the range’s directions. Build coverage without flooding the molded detail; if the coat becomes tacky or starts to drag, stop working it and let it dry before the next pass. A more diluted mixture is not automatically a better one. Test whether it covers and flows with the tool you will actually use.
Another acrylic range can need different preparation. Tamiya identifies X-20A as a dedicated thinner for its bottled acrylic paints. Do not choose a thinner just because its label also says “acrylic,” or transfer an airbrush mixing ratio from another brand. Check the exact range and the bottle you have.
Enamel: select the thinner and leave time for the next step
Testors Metallic Red 1152TT is a quarter-ounce solvent-based enamel example. Plan its specified thinner and cleaning supplies. Its metallic finish is useful only when that appearance fits the part you are painting; a red color name by itself is not a match for every red in an instruction sheet. Testors offers enamel thinners for preparing its enamel paints for airbrushing. Use that range’s instructions instead of substituting an acrylic-paint recipe.
Enamel drying advice also belongs to the specific product. Humbrol’s enamel guidance distinguishes touch drying, hard drying and recoating, with different allowances for gloss, matt, satin and metallic finishes. Those instructions are not a timetable for this Testors bottle. When planning a build, include the wait before handling, masking or adding another finish, rather than judging readiness only by how dry the surface looks.
Lacquer: plan the base coat and everything above it
Tamiya LP-45 Racing Blue, item 82145, is a 10 ml glossy metallic-blue lacquer. Tamiya describes the LP range as suitable for airbrushing large areas and brush-painting fine details. It also describes a quickly drying film that can serve as an enamel-resistant base. This makes the range worth considering for a planned finishing system; it does not establish compatibility with every primer, wash or clear coat.
Use Tamiya Color Lacquer Thinner as directed for the LP range; LP-10 is one dedicated thinner in that system. X-20A belongs to the acrylic range. Tamiya also notes that colors can differ slightly between its lacquer, acrylic and spray ranges even when the names match. Check the code and intended finish before replacing one with another.
The workspace belongs in this decision too. Follow the paint and thinner labels for ventilation, protective equipment and ignition-source precautions. A water-based description or a mild smell does not replace the application and safety instructions for spraying that product.
Touch dry, masking and the complete finish
A surface can look dry before it is ready for tape, repeated handling or another coat. Follow the exact drying and recoating instructions, including their stated conditions. A single rule such as “all acrylics are ready in an hour” cannot cover different formulas, coat thicknesses and working conditions.
Before masking a visible body panel, try the planned tape on spare material painted and prepared in the same way. A mark or lifted paint is a reason to stop and check preparation and drying. A plastic spoon is useful for practicing spray control, but a different plastic does not prove that the kit’s parts will react identically.
Plan the surface, primer, color, decals, decal solution and clear coat together. Tamiya warns against applying lacquer over its enamel paints. The LP range’s suitability as a base for enamel does not turn a sequence such as lacquer, enamel, then acrylic into a universal recipe across brands. Follow the instructions for every product in the actual combination.
Use a compatible primer when the surface and paint instructions call for one. Test an unfamiliar sequence on matching spare material, with the same preparation and waits, before committing to the model. Count primer and clear as part of the total coating thickness: the guide to thin paint coats and molded detail explains why covering a surface and burying its detail are different results.
Choose paints around the parts of your kit
The Tamiya Toyota GR Supra 1:24 kit, item 24351, makes the distinction concrete. Its broad bodywork and separate interior parts create different painting tasks. Tamiya provides separate white components for red interior sections, so deciding how to finish an exterior panel is not the same job as choosing a brush and paint for the seats.
The three paint bottles above are formula examples, not a paint list for the Supra. Read the kit’s color callouts, decide which scheme you want and buy the matching supplies for those choices. Prepare the surface as directed, keep cement-contact areas free of paint where the assembly instructions require it, and decide which small parts need painting before access closes. The plastic model painting-order guide covers that sequence in more detail.
Common model-paint questions
Can I thin every acrylic model paint with water?
No. Use water only when the maker permits it for that formula and technique. The 17 ml Model Color range guide allows it for dilution; that does not make water the recommended preparation for every acrylic or every airbrush setup.
Can I mix acrylic, enamel and lacquer in the same cup?
Use only mixtures that the manufacturer supports. Mixing wet paints is a different compatibility question from using them on separate parts or applying an approved coat over a properly prepared base.
Does every model need a clear coat?
Choose one for the desired sheen, decal process or protection specified by your finishing plan. Check compatibility before buying it. A clear coat changes the finish and adds another layer; it does not correct an unsuitable color coat underneath.
What should I buy with the first bottle?
Start with the applicator, recommended thinner if needed, and suitable cleaning supplies. Add primer, decal products or clear only as the planned surface and finish require. A small set of compatible supplies for one project is easier to work with than several unrelated paint systems bought at once.
Browse model paints for color and formula choices, or paint and finishing supplies for the wider finishing setup. Return to the Muncle Mikes collector guides for the next part of your build.
