It is better to use natural sand. Artificial sand is crushed stone with many angular edges and poor concrete fluidity. We’d better use natural sand if conditions permit
What is artificial sand? Artificial sand is processed by large-scale rock through the complete processing equipment of the sand making machine. Due to the large impact and breakage in a short time, the granular shape is mostly sharp and the surface is rough, but the fineness of the mechanical sand can be oriented according to the process requirements.