Grade Binder Grain Size Density Hardness T.R.S USA Code ISO Code Grade (%) Grain Size g/cm3 HRA N/mm2 USA Code ISO Code UH5 3 Ultrafine 15.15 94.3 2600 C4 K01 UH12 12 Ultrafine 14.15 92.2 4000 C1 K40
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