Dynamic Mixing System Coarse Universal Filler, 51003

3M Dynamic Mixing System Coarse Universal Filler 51003 is a heavy-weight polyester filler for professional automotive body repair. Supplied as a 276 ml two-part cartridge with a 50:1 filler-to-hardener mixing ratio, it repairs dents and imperfections in steel, galvanised steel and aluminium, and serves as a finishing material over reinforced cracks in SMC and fibreglass. Designed for use with the 3M Dynamic Mixing System Applicator (PN 50600) and Nozzle (PN 50601). No variant-specific differences. This SKU is the standard 3M Dynamic Mixing System Coarse Universal Filler 51003 — same formulation, volume and intended automotive repair use as the product listing.