When a car is painted with acrylic enamel, a clear coat is applied over the paint. the clear coat of urethane supplies the acrylic enamel paint with a buffer between the paint and the elements. ... how to use urethane clear over acrylic enamal by sue stepp . ... do you have to scuff the base coat ... how to paint a car without a spray gun. how ... Jul 24, 2004u00a0u00b7 and yes, the base coat can be direcly sprayed over the existing finish without priming, if the base coat is designed for it, with some exceptions (almost all the companies paints will work this way) if the surface is true laquer you'll want to prime before shooting the base, but if it is true laquer, you'll have a million chips and cracks, so ... If there is any chance that the base coat used was an oil base paint then you cannot paint directly over it. the acrylic enamel will not adhere to the oil base paint and will begin to peel off as ... 1-24 of over 3,000 results for home & kitchen: enamel finish skip to main search results ... coat hooks see more. avg. customer review. 4 stars & up & up; 3 stars & up & up; 2 stars ... american educational cast iron triangular base support stand with black enamel acid resistant finish, 6 legs, 1/2 diameter x 36 length rod size.