How to use Appendix B of GB/T24722? A statistical table of glass bead particle size distribution types.
2022-03-11
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The GB/T24722-2020 standard, "Glass Beads for Road Markings," came into effect on July 1, 2021. Appendix B largely adopts the EU glass bead standard BS EN1423-2012. So, how many types of glass bead gradations are there using the formula method in Appendix B? Today, we'll share a partial list of the main glass bead gradations used for surface marking in EU CE certification.
CE certified particle size range
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