Table 1.

Comparison of particle gradation between full-component particle-shaping regenerated sand and natural sand.

The types of sand		Full-component particle-shaping regenerated sand	Natural sand
Mesh size (mm)	4.75	0.3	0.0
	2.36	10.3	4.8
	1.18	27.0	14.8
	0.06	48.1	32.0
	0.03	70.4	69.7
	0.15	86.2	97.8
	Weight of screen residue	100	100
	Fineness modulus	2.4	2.2