Oleophobic Modification of Hollow Glass Microspheres and Its Effect on the Foaming Capacity and Stability of Foam Extinguishing Agent

Table 3

Effect of reaction time on the oleophobic property of HGM.

/h	θ/°
0	—	—
0.5	105.5	900 s
1.0	112.0	~22 h
1.5	128.5	>43 h