– Size 5-20mm. Produced by crushing and screening through a re-rolling system to ensure flatness <15%. At the same time, through a water washing process to ensure cleanliness <1%, color green, gray, light black depending on the exploited rock layer
– Uses: Used as large aggregate for cement concrete, very suitable for high-grade BTXM
– Test criteria and methods TCVN 7570: 2006 & Manufacturer’s announcement