Table 1 Particle size of the chemicals.

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

#

Chemicals

Particle size (µm)

1

Aluminium

75

2

Potassium nitrate

75–85

3

Sulphur

65–75

4

Sargassum wightii seaweed powder

50–80