Research on the Ecological Protection of Coal Gangue Slope Based on a Polymer Curing Agent

Table 4

Performance indices of the silicone defoamer agent.

Order number	Technical indicators	Test results
1	Appearance	Milky white uniform emulsion liquid, no precipitate, no visible mechanical impurities
2	pH	7.2
3	Solid content (%)	15
4	Stability (mL)	0.02
5	Defoaming time (s)	11 (10 times)
		25 (100 times)