Amarium Professional Pre-Catalyzed Undercoat is a strength-controlled, super-premium vinyl basecoat approved for use under Axalta Industrial Wood Coatings lacquers, pre-catalyzed lacquers, and conversion varnishes. It contains no nitrocellulose, is quick drying, and easy to sand. It is an excellent basecoat for use in creating solid color finishes, especially those that are distressed/rubbed through and glazed. This product primes and colors all in one step and should be applied directly to the wood substrate. For Wood Substrates Only.