It offers a permanent record of the dust present at the time of inspection.
In most industrial coating specifications, Rating 2 is the maximum allowable level for both quantity and size; anything higher typically requires re-cleaning.
While official ISO standards must be purchased directly from ISO or national bodies, updated PDF summary charts allow field inspectors to quickly reference specifications on tablets and smartphones without carrying bulky paper manuals into confined spaces. iso 85023 dust level chart pdf updated
: This is a pictorial rating representing the density of dust particles on the tape. Rating 0 : Surface is free of dust.
Part of a broader series focused on surface cleanliness, ISO 8502-3 uses a to qualitatively assess loose particulate matter. It functions as a rapid "pass/fail" mechanism or a permanent record of surface quality prior to industrial paint application. The evaluation relies on two primary data streams: It offers a permanent record of the dust
Achieving a Dust Quantity Rating of 2 or lower (the standard threshold for most high-performance marine and industrial coatings) requires rigorous quality control during the blasting phase.
Apply a 200 mm (approx. 8 inches) strip of tape to the steel surface. : This is a pictorial rating representing the
Instead, professional inspectors utilize verified field kits from established coating instrument manufacturers. Dust Test After Blast Cleaning IOGS Official Video
The test uses a specific pressure-sensitive adhesive tape that is pressed onto the steel and then transferred to a display card for comparison against a visual rating scale. The 5 Levels of Dust Quantity