Transtar�s Urethane Grade Reducer�s are designed to be used in Transtar�s primers and clearcoats. Additionally, this product can be used in virtually all brands of urethane primers, topcoats, and clears. Transtar�s Urethane Grade Reducers are suitable for overall, or spot/panel refinishing and assist in producing brilliant gloss and superior leveling. This reducer is completely alcohol free and is 99.96% water free.