U-POL 1K Clear Coat Lacquer System 20 5L. This 1K Clear Coat Lacquer is a high performance crystal clear 1K, ready to use clear coat that gives 2K performance with the convenience of a single pack. The Clear Lacquer hardens rapidly to give a high build coating with excellent U.V stability. Isocyanate free, ideal for spot repair. The Benefits of this High quality 2K automotive clear coat is that it hardens rapidly to give a high build coating that is easily flatted & polished if required. The Clear Lacquer has a very high gloss U.V.resistant coating with long term durability, good flow and non-sag properties that gives excellent coverage. Can be air dried, low baked or I.R. cured.