Selection of Quartz Sand Particle Size for Sandblasting Rust Removal in Beijing. Currently, to ensure the long-term use of metal products, surface treatments such as sandblasting rust removal followed by painting are commonly adopted. Sandblasting rust removal is the most widely used method in this industry, and the material most often chosen for this purpose is quartz sand for rust removal. The process primarily involves using a sandblasting machine combined with quartz sand for rust removal to eliminate rust from the metal surface.