Excellent high build 2K primer with outstanding filling power for all types of paints (synthetics - single coat or base coat). It is cured with an isocyanate based HARDENER FOR PRIMERS H725 Fast /  Slow (at a mixing ratio of 4:1. It can be diluted 10-15 % with thinner (reducer) BODY ACRYL (#740 Normal - #741 Slow). Quick drying and easy to sand.