Aggregates in Concrete
Gravels, Sands, Normal Crushed Stone, Bulk Specific Gravity to, Bulk Density (of Bulk Unit Weight) 1520 to 1680 kg/m3 (95 to 105 pcf), Most commonly used Light Weight Manufactured or Natural, Bulk Density Less than 1120 kg/m3 (70 pcf), Most commonly used in lightweight concrete, many must be screened