Antimony contents 70 % min
Sulphar contents 22 % min
PH of aqueous extract 5.5 - 7.5 %
Volatile matter (at 100 to 105⁰C for  0.03 % max 2 hours) 
Other metal calculated as sulphide  1.5 % max By mass
Appearance  Black lumps or crystalline powder
Antimony oxides calculated as Sb₂O₃ 20 % max Percent by mass

Packing:
Minimum packing 50 kgs polythene lined H.D.P.E. bags

Applications
In initiatory and pyrotechnic composition.