Table 4.

Flexural strength of cement composites.

	Flexural Strength (MPa)					Increase Ratios (%)
	S1	S2	S3	S4	S5	S2/S1	S3/S1	S4/S1	S5/S1
1 day	0.96 ± 0.35	1.26 ± 0.0.38	1.32 ± 0.39	1.56 ± 0.35	1.83 ± 0.36	31.25	37.50	62.50	90.63
3 day	2.23 ± 0.35	4.55 ± 0.42	5.26 ± 0.43	6.24 ± 0.48	7.33 ± 0.48	104.04	135.87	179.82	228.70
7 day	5.24 ± 0.43	7.27 ± 0.41	8.83 ± 0.46	10.42 ± 0.32	13.55 ± 0.41	38.74	68.51	98.86	158.59
15 day	6.86 ± 0.37	9.26 ± 0.38	10.65 ± 0.42	13.87 ± 0.43	16.67 ± 0.45	34.98	55.25	102.19	143.01
28 day	7.53 ± 0.38	10.85 ± 0.39	12.35 ± 0.42	15.97 ± 0.43	17.68 ± 0.44	44.09	64.01	112.09	134.79