Grit It is important to distinguish between sharp-edged blasting grit and spherical steel shot when consulting the chart. Unlike standard measurement scales, a higher number indicates a smaller particle size.
Understanding Grit Size Tooth Depth Coating Bond Relationships
Softer materials, like brass or soft metals, require a harder grit (such as chilled iron or copper slag) to maintain cutting efficiency without disintegrating too quickly. The grit size chart must be cross-referenced with the material compatibility chart to avoid using a grit that shatters prematurely or damages the substrate through excessive aggression.
Whether the goal is to strip old paint, prepare a substrate for coating, or create a uniform matte finish, understanding the precise correlation between grit number and physical dimension is critical for efficiency and quality control. While grit (such as aluminum oxide or silicon carbide) has sharp edges that cut into the surface for aggressive cleaning, steel shot relies on deformation to create a peened, hardened surface.
Understanding Grit Size Tooth Depth And Coating Bond Relationships
The choice between metallic, ceramic, or synthetic grit depends on the base material and the required finish. Sieve Mesh size, which indicates the number of openings per linear inch, or in microns (µm), which measures the particle diameter.
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