The chart defines five classes (grades) for the . In practice, a common project specification requires the dust contamination level not to exceed Grade 2 or 3.
If your ISO 8502-3 test reveals a dust level higher than the project specification allows, you must remediate the surface before painting can commence. iso 85023 dust level chart pdf updated
magnifier to grade the size class, and compare the overall pattern visually to the pictorial reference chart to log the quantity rating. Understanding the Updated PDF Requirements The chart defines five classes (grades) for the
Just visible with normal or corrected vision (50 μm to 100 μm). Naked Eye / Corrected Vision Clearly visible with normal vision (up to 0.5 mm). Naked Eye / Corrected Vision Class 4 Large particles clearly visible (0.5 mm to 2.5 mm). Naked Eye / Ruler Class 5 Macro-particles clearly visible (larger than 2.5 mm). Naked Eye / Ruler 2. Dust Quantity Ratings magnifier to grade the size class, and compare
The visual density of the particles on the tape is compared against the official pictorial reference chart. The ratings are defined as follows:
Compare the tape against the pictorial reference chart to determine the quantity and size rating. Where to Find the Updated ISO 8502-3 Dust Level Chart PDF
The chart displays actual-scale photographic examples of dust particles on a white background. For each quantity class, the chart shows typical particle sizes:
Excellent Computer Education Indira Nagar Provide Job Oriented Computer Training Online and Offline both very low price.
© 2024 Created with Excellent Computer Education, Lucknow
