Buy TAM81518 - Tamiya Acrylic Mini X-18 Semi Gloss Black 1/3 oz at a price of $3.99 in the USA | RC Street Shop
What is Tamiya asking for with X-18 (X-6:1+XF-15:10)? I understand mixing the ratio in the parentheses, but where does the X-18 come into play? : r/ModelCars