Table. 6 The radiation shielding efficiency of SBB-glass materials at different thicknesses.

From: Development of green silicone rubber/waste sludge composites with Bi2O3 extracted from olive leaves for radiation shielding application

Composite Thickness

Ray Type

Nuclide

Energy (keV)

Radiation shielding efficiency, % (RSE, %)

SBB0

SBB1

SBB2

SBB3

SBB4

SBB5

1 cm

X-ray

Rb (37)

15.0

99.5

100.0

100.0

100.0

100.0

100.0

Ba (56)

36.4

43.3

54.0

85.0

98.9

100.0

100.0

Tb (65)

44.5

33.3

41.0

69.7

93.5

99.1

99.9

Tb (65)

50.4

29.0

35.0

59.8

86.9

96.8

99.5

Gamma-ray

Am (241)

59.5

24.8

29.1

48.2

75.0

89.9

96.8

Ba (133)

81.0

20.2

22.7

33.0

52.0

68.4

81.3

356.0

11.7

12.4

13.9

17.3

21.4

26.3

Cs (137)

661.7

9.1

9.7

10.3

11.7

13.4

15.5

Thickness

Ray type

Nuclide

Energy (keV)

SBB0

SBB1

SBB2

SBB3

SBB4

SBB5

2 cm

X-ray

Rb (37)

15.0

100.0

100.0

100.0

100.0

100.0

100.0

Ba (56)

36.4

67.9

78.9

97.8

100.0

100.0

100.0

Tb (65)

44.5

55.5

65.1

90.8

99.6

100.0

100.0

Tb (65)

50.4

49.5

57.7

83.9

98.3

99.9

100.0

Gamma-ray

Am (241)

59.5

43.4

49.7

73.1

93.7

99.0

99.9

Ba (133)

81.0

36.4

40.2

55.1

76.9

90.0

96.5

356.0

22.1

23.3

25.9

31.7

38.3

45.7

Cs (137)

661.7

17.5

18.5

19.5

22.0

25.0

28.5

Thickness

Ray type

Nuclide

Energy (keV)

SBB0

SBB1

SBB2

SBB3

SBB4

SBB5

5 cm

X-ray

Rb (37)

15.0

100.0

100.0

100.0

100.0

100.0

100.0

Ba (56)

36.4

94.2

98.0

100.0

100.0

100.0

100.0

Tb (65)

44.5

86.8

92.8

99.7

100.0

100.0

100.0

Tb (65)

50.4

81.9

88.4

99.0

100.0

100.0

100.0

Gamma-ray

Am (241)

59.5

75.9

82.1

96.3

99.9

100.0

100.0

Ba (133)

81.0

67.7

72.3

86.5

97.4

99.7

100.0

356.0

46.4

48.5

52.8

61.4

70.1

78.2

Cs (137)

661.7

38.1

40.0

41.9

46.2

51.3

56.8