MASTER Primer Surfacer Grey is a market-leading, high-quality, fast-drying nitrocellulose primer surfacer, specially formulated for applications requiring a smooth primer finish and quick drying time. Designed to protect exterior and interior surfaces of iron, steel, mild steel, aluminum, and galvanized metals, it is ideal for use on bare metal surfaces, poly putty, autobody filler, and nitrocellulose-coated surfaces. This versatile surfacer provides essential features, including fast drying, strong adhesion, excellent coverage, good hardness, outstanding surface conditioning, and high durability, making it one of the best-value primers for automotive and industrial applications. MASTER Primer Surfacer Grey is a trusted name in these industries, ideal for mid-range automotive refinishing and the finishing of iron and steel industrial products, including generators, transformers, machinery parts, metal furniture, and storage cabinets.