Gas Pressure Effect on Sand Collapse in Kinetic Zone of Lost-Foam Casting

Table 1

Grain distribution of dry sand used as molding sand in this study.

Mesh no.	30	40	50	70	100	140	200	270	Pan
Wt.%	7.25	38.28	40.32	10.69	2.90	0.51	0.04	0.01	0.00