The test is designed to be simple, fast, and repeatable in field conditions using standard ISO 8502-3 Dust Tape Kits . 1. Preparation INTERNATIONAL STANDARD ISO 8502-3
Particle size is assessed separately using a graduated scale (0 to 5). iso 8502-3 pdf
ISO 8502-3 provides a simple, low-cost, and reproducible tape method to assess dust levels on steel surfaces before coating. It is essential for achieving long-term coating performance. The official PDF must be obtained from a certified standards organization to ensure the use of the correct test procedures, reference photographs, and rating criteria. The test is designed to be simple, fast,