SKU: AV73815 | Brand: Vallejo | Product: Vallejo Weathering Effects Engine Grime 40 ml Vallejo Weathering Effects Engine Grime utilizes permanent pigments and water-based acrylic resin to accurately depict the residue and discoloration found on working machinery and vehicle powerplants. This medium simulates fuel residue, lichen development, moisture accumulation, compressed soil, and staining typical of intensive operational use on vehicles and armor. The product applies directly to prepared surfaces and sets rapidly, permitting standard modeling techniques to continue without extended waiting periods. Tools rinse clean with water and soap. Supplied as a 40 ml (1.35 fl oz) container. Non-flammable, solvent-free composition.