Table 2.

Setting properties at each time setting

Time	Bending stiffness (MPa)				Bending strength (MPa)
	Without cotton	Standard error	With cotton	Standard error	Without cotton	Standard error	With cotton	Standard error
2 hrs	1,597.58	108.91	746.95*	88.26	2.05	0.05	1.36*	0.23
6 hrs	1,029.96	180.65	552.36*	53.24	1.65	0.20	1.23*	0.22
12 hrs	1,029.54	87.64	473.73*	30.52	1.71	0.03	1.51*	0.10
24 hrs	1,048.02	103.77	691.22*	94.14	1.43	0.16	1.63	0.04
48 hrs	1,382.77	126.24	435.70*	61.33	1.90	0.04	1.89	0.09
72 hrs	931.07	144.34	730.96	129.19	1.75	0.09	1.53	0.16

^* p<0.05