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Specification :
Sieving Range
Diameter (μm) | Standard Retain (%) |
1000 | 0-2% |
850 | 0-10% |
500 | 15-45% |
300 | 45-85% |
180 | 70-100% |
125 | 85-100% |
BTW , there are other standards like BS6088A&B , EN1424, EN1423 , JIS ,KS standard FYI .
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Reflective glass beads EN1423 Drop On for road marking paint