Iso 85023 Dust Level Chart Pdf Updated May 2026

You’ve downloaded the "ISO 8502-3 dust level chart PDF updated" – now what? Follow this step-by-step NACE/SSPC-approved method:

Step 1: Perform the Tape Lift

Step 2: Mount the Tape

Step 3: Compare to the Updated Chart

Step 4: Assign the Rating

Example Rating: "Q3, M100, Mx300" translates to: Quantity Class 3 dust, median particle size 100 micrometers, maximum particle size 300 micrometers.

Meta Description: Need the latest ISO 85023 dust level chart? This guide explains the updated PDF version, how to read the chart, test methods (tape/bristle), and why it matters for surface cleanliness before coating. iso 85023 dust level chart pdf updated

The ISO 8502-3 dust level chart is essential for coating inspectors, contractors, and engineers. The updated classification (Classes 1–5 based on particle size and quantity) provides clear acceptance criteria. For critical assets, specifying Dust Class ≤ 1 ensures maximum coating longevity and corrosion protection.