Cement type

A

B

C

D

E

F

Design strength Age when no extract added (Days)

38

70

48

-

37

35

Design strength when 15% plant extract added (Days)

28

36

32

-

26

27

Ultimate strength age when no extract added

65

67

72

69

71

66

Ultimate strength age when 15% dosage of cypress extract added

64

67

68

71

67

66