Investigation on the Deterioration Mechanism of Recycled Plaster

Table 3

Properties of POP and R-P under the same preparation process.

Gypsum	SSA (m^2·kg^−1)	W/P	Setting time (min)		2 h strength (MPa)		Dry strength (MPa)		Water absorption (%)
			Initial	Final	Flexural	Compressive	Flexural	Compressive
POP	452	0.63	8.5	13.5	2.94	5.95	5.29	10.08	29.50
R-P	1114	0.85	33	46	1.66	2.94	2.70	4.80	40.65