---
product_id: 611718332
title: "TAMIYA TAM81040 Acrylic/Poly X-20A Thinner 250ml"
brand: "tamiya"
price: "¥4874"
currency: JPY
in_stock: true
reviews_count: 8
category: "Tamiya"
url: https://www.desertcart.jp/products/611718332-tamiya-tam81040-acrylic-poly-x-20a-thinner-250ml
store_origin: JP
region: Japan
---

# fast drying formula optimal acrylic/poly blend 250ml precision thinner TAMIYA TAM81040 Acrylic/Poly X-20A Thinner 250ml

**Brand:** tamiya
**Price:** ¥4874
**Availability:** ✅ In Stock

## Summary

> 🎨 Thin smarter, paint sharper—join the elite modelers’ club!

## Quick Answers

- **What is this?** TAMIYA TAM81040 Acrylic/Poly X-20A Thinner 250ml by tamiya
- **How much does it cost?** ¥4874 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/611718332-tamiya-tam81040-acrylic-poly-x-20a-thinner-250ml)

## Best For

- tamiya enthusiasts

## Why This Product

- Trusted tamiya brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Speedy Drying Power:** Quick-dry formula lets you move faster from primer to masterpiece without losing detail.
- • **Generous 250ml Volume:** Ample supply to keep your creative momentum going—never run out mid-project.
- • **Universal Compatibility:** Perfectly thins Tamiya acrylics and poly paints on styrene, wood, and all common model plastics.
- • **Flawless Finish Every Time:** Enhances paint flow for smooth, streak-free application with brushes or airbrushes.
- • **Trusted Japanese Craftsmanship:** Backed by Tamiya’s legendary quality control since 1946 for consistent, professional results.

## Overview

TAMIYA TAM81040 Acrylic/Poly X-20A Thinner (250ml) is a premium paint thinner designed for precision model making. It optimizes the flow and drying time of Tamiya acrylic and poly paints, ensuring smooth, realistic finishes on various materials including styrene, wood, and plastics. Trusted worldwide since 1946, this thinner supports professional-grade results with a generous volume to fuel your creative projects.

## Description

This is X-20A Acrylic/Poly Paint Thinner (250ml) / Tamiya / 81040, Maker: Tamiya, Part Number: 81040

Review: Good product - Good thinner
Review: Does it's thing - As advertised

## Features

- Perfect for model making - TAMIYA acrylic paints are ideal for brush painting or for application with airbrush sprayers. The contents are 23 ml.
- AUTHENTIC LOOK - Tamiya paint is quick drying and has a high coverage to give the model a realistic look without overpainting fine details.
- Primer - Before painting, the model or parts should be primed to create better adhesion for the acrylic paint.
- Applications - The paint can be used on styrene resins, polystyrene, wood as well as all common model plastics
- First in Quality Around the World - This is the promise of the Japanese market leader in electronics and model vehicles. Each colour undergoes a meticulous quality check. Since 1946.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CLQLFPXK |
| Customer Reviews | 4.8 4.8 out of 5 stars (48) |
| Item Weight | 9.2 ounces |
| Item model number | 81040 |
| Manufacturer | Tamiya |
| Manufacturer recommended age | 14 years and up |
| Product Dimensions | 1.5 x 1.5 x 1.97 inches |

## Images

![TAMIYA TAM81040 Acrylic/Poly X-20A Thinner 250ml - Image 1](https://m.media-amazon.com/images/I/51OnvolqvKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by R***R on January 14, 2026*

Good thinner

### ⭐⭐⭐⭐⭐ Does it's thing
*by S***R on January 4, 2026*

As advertised

### ⭐⭐⭐⭐⭐ Product needed
*by H***R on September 16, 2025*

Very good product

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**Shop now:** [https://www.desertcart.jp/products/611718332-tamiya-tam81040-acrylic-poly-x-20a-thinner-250ml](https://www.desertcart.jp/products/611718332-tamiya-tam81040-acrylic-poly-x-20a-thinner-250ml)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-04-23*