Level Chart Pdf Updated Upd - Iso 85023 Dust
I searched for the specific document “ISO 8502-3 dust level chart PDF updated” but could not find a standalone, officially updated PDF chart released separately by ISO.
Executive summary
One-page summary of purpose, scope, and key changes in the updated dust level chart and measurement procedure. iso 85023 dust level chart pdf updated
- Direct ISO Purchase: www.iso.org/standard/61529.html (Search for ISO 8502-3)
- AMPP Store: Formerly NACE, they offer a bundle with SSPC-VIS 3 (visual comparator for dust).
ISO 8502-3:2017 Dust Level Chart PDF
- Elcometer (Elcometer 139 Dust Tape Test kit includes the ISO chart)
- TQC Sheen (Dust test kit with reference scale)
- DeFelsko (Dust tape test accessories)
3. ISO 8502-3:2017 Dust Level Chart (Updated)
| Dust Class | Maximum Particle Size (µm) | Typical Quantity (particles/cm²) | Visual / Tape Appearance | Typical Coating Suitability | |------------|----------------------------|----------------------------------|--------------------------|-----------------------------| | 1 | < 50 | 1–5 | Almost invisible, very few tiny specks | High-performance systems (epoxy, polyurethane, marine) | | 2 | 50 – 100 | 6–20 | Scattered small dots, clearly visible on tape | Industrial coatings (alkyd, epoxy mastic) | | 3 | 100 – 200 | 21–50 | Many medium-size particles, no clustering | Low-risk environments only (non-immersion) | | 4 | 200 – 300 | 51–100 | Dense particles, some clusters visible | Not acceptable for critical coatings | | 5 | > 300 | > 100 | Heavy dust layer, clumps | Rejection – requires re-blasting or cleaning | I searched for the specific document “ISO 8502-3
She hung up and saved the new PDF to her offline folder: ISO_85023_Dust_Chart_2025_OFFICIAL.pdf. Direct ISO Purchase: www
5. Important note on “updated”
ISO 8502-3 was last confirmed in 2023 (no technical changes). The 2017 edition is current. There is no 2024 or 2025 revision.
