The F355 Best for Coatings and Composites sanding sheet provides a perfect finish when roughening and sanding rough and composite material surfaces. The high-quality silicon carbide grains of the sheet remove material with the utmost precision for a professional finish. The surface features electrostatically open spread sanding grains with defined gaps, allowing for even dust extraction and preventing clogging of the sheet. This product is used for sanding hard minerals, stone, composite materials, and paint layers. It is also ideal for roughening and sanding paint, color, primers, fillers, and plastics. Additionally, it is suitable for precision work on ferrous and non-ferrous materials. The F355 Best for Coatings and Composites sanding sheet is designed for use with random orbit sanders. The closed anti-static coating ensures minimal dust adhesion to the work surface or machine. The full synthetic resin bond of the sanding grains provides wear resistance even under the toughest conditions. The backing is made of F-/C-paper, ensuring optimal sanding performance. Disc diameter: 125 mm, grit: 1200.