Water surface temperature

(˚C)

Reduction in evaporation (%)

Cetyl alcohol

Stearyl alcohol

Cetyl-Stearyl alcohol

20

60.1

82.5

80.3

30

35.8

70.5

64.7

40

24.7

55.9

54.7

50

18.6

42.9

40.7

60

13.8

30.9

29.1