Table 4 Impact sensitivity of SP, SP5 and SP10 flash powder composition.

From: Experimentation on Sargassum wightii as a flash powder igniter for attaining eco-friendly combustion on pyrotechnics

Sample name

Load (kg)

Distance (m)

Trial 1

Trial 2

Trial 3

Trial 4

Trial 5

Trial 6

Average trial success %

Limiting energy (J)

SP

2

0.2

100

3.924

SP5

2

0.2

X

X

66.66

3.924

SP10

2

0.2

X

X

X

50

3.924

SP

2

0.3

100

5.886

SP5

2

0.3

X

83.33

5.886

SP10

2

0.3

X

X

66.66

5.886

SP

2

0.4

100

7.848

SP5

2

0.4

100

7.848

SP10

2

0.4

X

83.33

7.848

SP

2

0.5

100

9.81

SP5

2

0.5

100

9.81

SP10

2

0.5

100

9.81

  1. —spark occurred, X—no spark occured.