• 2022-03-15 11:18:35

Sand is an integral part of concrete. It is generally called fine aggregate, which refers to rock particles with a particle size of less than 5mm. It can be generally divided into natural sand and artificial sand. At present, common sands are: (1) Manufactured sand; (2) River sand (generally used for sand designated for key projects, and ordinary concrete is generally not used due to high price an...

• machine-made sand
• washing sand
• recycled aggregate