Table 4 Contact angle of solutions with different mass concentrations (°).

From: Experimental study on the impact of “IDS + JFCS” complex wetting agent on the characteristics of coal bodies

Name

Mass concentration (°)

0.005

0.01

0.03

0.05

0.07

0.09

IDS

66

64

60

56

50

49

SAS

93

84

71

51

46

39

SDBS

90

84

78

60

56

44

1631

90

80

64

50

46

42

JFCS

75

58

26

0

0

0

BS-12

93

74

72

50

48

42

APG

76

62

38

25

19

0

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