Acrylic Mini X-21 Flat Base (10ml) | 81521 | Tamiya

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Acrylic Mini X-21 Flat Base Paint 10ml

Tamiya Flat Base is an additive agent designed to turn Tamiya Gloss Bottle Paint colors into a flat finish. Simply mix a 1:1 ratio (NEVER MORE) into a paint well palette for brush painting or an empty bottle for airbrushing. Mix well and add thinner if needed.

NOTE: This agent is not a flat clear coat. It’s an agent best used for converting Tamiya Gloss Colors into a flat sheen. Mixing a ratio greater than 1:1 will yield in a milky washed-out finish.


  • Tamiya bottle paint label meanings and quick tips:
  • X appointed colors have a glossy finish while XF designated colors are flat finish.
  • The paint can be thinned for airbrushing using Tamiya X-20A Acrylic thinner.
  •  Items 81521 and 81021 (Tamiya X-21 Flat Base) can be used as a flattening agent on Tamiya Gloss bottle paints. Simply add any X-gloss color then add a flat base. Mixing ratio: 1:1
  • The paint can be also thinned for airbrushing using Tamiya Lacquer Thinner. Using Tamiya Lacquer Thinner will yield faster drying results and a harder finish.
  • For better paint brushing results use Tamiya Paint Retarder (item 87114) for a smoother brush stroke free finish.
  • Item #81521
  • Xf-21 Flat Base
  • Tamiya
  • FREE tech support 1-877-729-2099

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