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Korean and Japanese standard ksl2521 & jisr3301

Korean and Japanese standards ksl2521 & jisr3301 are glass beads with high roundness and brightness, which are made of finely selected broken glass.Korean and Japanese standard ksl2521 & jisr3301 glass bead economic safety not only improves road safety, but also increases the durability of white strip marking.The following are the parameters related to the Korean and Japanese standard ksl2521 & jisr3301 (1995)Standard sieve (micron)Replacement number (mesh)Percentage by mass(%)(Sieve