Experimental Study on the Mechanical Properties of the Fiber Cement Mortar Containing Polyurethane

Table 3

Flexural/compression strength ratio of mortar.

Number	Flexural/compression strength (MPa)
	7 days	14 days	28 days
P0	0.18	0.18	0.18
P5	0.29	0.27	0.22
P10	0.28	0.25	0.23
P15	0.24	0.28	0.23
P20	0.23	0.28	0.20