RU311Q - HOUSE OF KOLOR - Reducers for Kosmic Kolor Urethane Enamel & Shimrin Universal Bases:Our Kosmic Reducers - RU310 Fast Dry, RU311 Medium Dry, RU312 Slow Dry - are the only reducers we recommend for use with our Kosmic Kolor Urethane Enamel system. For use in all Kosmic Kolor Basecoats, Kandys and Klears: (UB, UK, UC, UFB, UFC); and in all Shimrin Basecoats: (BC, FBC, KBC, KF, NE, PBC, PC, SG) our reducers allow for:†Excellent spray-ability†Good flow out and leveling†Fast staged release†Retention of gloss when dry