Influence of Hydrophobic Coating on Freeze-Thaw Cycle Resistance of Cement Mortar

Table 3

Length reduction of the modified sample.

Sample number	Radius of turntable (mm)	Burnisher revolutions per minute	Polish time (min)	Polish distance (km)
1	100	500	0.5	0.3
2			4.5	2.8
3			8.5	5.4
4			12.5	7.9
5			16.6	10.4