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Information regarding the use of spring-loaded rollers versus manual thumb pressure to satisfy strict project specifications.
For assessing Class 1 and Class 2 particles and Rating 0 surfaces.
Use high-quality, ISO 8502-3 compliant adhesive tape.
Highest quantity of surface dust (often looks like overall discoloration). iTeh Standards 2. Dust Particle Size Classes iso 85023 dust level chart pdf updated
Ensure your PDF reference reflects the latest revisions regarding standard backcloth colors. Typically, a black background is used for light-colored dust (garnet, silica, aluminum oxide) and a white background for dark dust (coal slag, steel grit). Best Practices for Passing an ISO 8502-3 Inspection
Complete ISO 8502 testing kits are commercially available from various suppliers. A typical kit includes a ×10 magnifier, adhesive tape meeting ISO 8502-3 specifications, a comparator display board with operating instructions, a dust assessment plate, and 25 test record sheets.
: A scale of 0 to 5 based on measured particle diameters. The ISO 8502-3 Dust Level Chart Breakdown Highest quantity of surface dust (often looks like
Particles not visible under 10x magnification (less than 50 µm).
Place the adhesive tape onto the "dust assessment plate" (the provided black/white paper chart).
Using outdated or unofficial reference materials can result in non-compliance flags during third-party asset integrity audits. Typically, a black background is used for light-colored
Many coating specifications mandate a Class 2 or lower rating, making this test critical for inspection reports.
ISO 8502-3 dust assessment is widely used across industries where coating performance is critical:
Most high-performance coatings specification require a dust rating of before coating application, particularly in immersion services or harsh environments. FAQ: ISO 8502-3