The Gaia Retarder MAX T-08s is a paint additive that slows down the drying time of paint. By slowing the drying time, there is the effect of a smoother finish when painting with an air brush and suppressing brush unevenness from brush painting. Since the painted surface becomes smooth, the effect of glossiness also increase. You can have 5-15% of your mix be the Gaia Retarder. Please adjust the addition amount according to the season and moisture situation of the room. Volume: 250 ml Continental USA shipping only. Ground service only.