Introducing Surfacer 500, a large particle water-based surfacer that has been very popular! This revolutionary water-based surfacer series has less of a solvent smell and is safer, while also being able to fill in surface scratches and prepare the base before painting. Surfacer 500 has coarse particles and is suitable for filling large scratches and sealing wood. The surface has just the right amount of roughness, making it ideal as a base for brush painting. The bottle type can be used as is when using with a brush. When using with an airbrush, dilute 1:1 with water or water-based hobby color thinner (recommended).