ISO 8502-3

The standard provides a qualitative procedure for assessing dust on steel surfaces prepared for painting using the pressure-sensitive tape method . The most current version is ISO 8502-3:2017 , which was last reviewed and confirmed in 2022 and remains the active standard. Understanding ISO 8502-3 Dust Levels

ISO 8502-3:2017

Proper surface preparation is the single most critical factor in determining the longevity of a protective coating. The standard provides the definitive qualitative method—known as the Dust Tape Test —for assessing the presence of loose dust on blast-cleaned steel surfaces before painting.

Rating 1:

Trace amounts; particles visible only under magnification. Rating 2: Dust barely visible to the naked eye. Rating 3: Particles clearly visible. Rating 4: Significant dust accumulation; easily noticeable. Rating 5: Heavy contamination. 2. Dust Size Classes (0–5)

  • High-resolution, annotation-ready images for each dust level.
  • Guidance on photo capture (distance, lighting, scale inclusion).

85023 Dust Level Chart Pdf Updated — Iso

ISO 8502-3

The standard provides a qualitative procedure for assessing dust on steel surfaces prepared for painting using the pressure-sensitive tape method . The most current version is ISO 8502-3:2017 , which was last reviewed and confirmed in 2022 and remains the active standard. Understanding ISO 8502-3 Dust Levels

ISO 8502-3:2017

Proper surface preparation is the single most critical factor in determining the longevity of a protective coating. The standard provides the definitive qualitative method—known as the Dust Tape Test —for assessing the presence of loose dust on blast-cleaned steel surfaces before painting. iso 85023 dust level chart pdf updated

Rating 1:

Trace amounts; particles visible only under magnification. Rating 2: Dust barely visible to the naked eye. Rating 3: Particles clearly visible. Rating 4: Significant dust accumulation; easily noticeable. Rating 5: Heavy contamination. 2. Dust Size Classes (0–5) ISO 8502-3 The standard provides a qualitative procedure

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