Tamiya X-20A Acryl/Poly Thinner 250ml

$6.7 ~~$10~~ In stock

Tamiya X-20A acrylic thinner is the perfect choice to thin Tamiya acrylic paint when spraying through an airbrush or cleaning bristle brushes. The formula within the thinner gives Tamiya acrylic paints the right consistency to blend colors without fading or spotting. This bottle is 250ml in size.

Outstanding! Packaging...

Outstanding! Packaging and outstanding time on shipping! Review by Kinzojusti - Verified Purchaser Dec 15, 2023

Customer Reviews (4.8 / 5 · 5 reviews)

Violet ★★★★★ Aug 24, 2026

The 250ml bottle lasts me ages, and it thins Tamiya acrylics to a perfect milky consistency for airbrushing without any grainy texture. Cleans bristle brushes well too, though I wish the cap sealed a bit tighter to avoid spills.

Harper ★★★★★ Aug 23, 2026

My airbrush clogs basically disappeared once I switched to this thinner—the 250ml bottle lasts me months of weekend sessions, and it cleans bristle brushes way faster than the water I used to try. Slightly pricier per ml than some alternatives, but the smooth flow through the nozzle makes it worth e

Joshua A. ★★★★★ Aug 22, 2026

Airbrushing Tamiya acrylics has never been smoother—this thinner flows through the needle effortlessly and cleans bristle brushes in seconds. The 250ml bottle feels like it lasts forever, even with regular use.