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Sulphurless Black Powder is a common variant of Black Powder that contains no sulphur. This uncommon variety is used when it is desirable to prevent the contact between the sulphur and other chemicals, e.g. chlorates, for safety reasons.
Gunpowder (also called black powder) is a pyrotechnic composition, an explosive mixture of sulfur, charcoal and potassium nitrate (also known as saltpetre or saltpeter) that burns rapidly, producing volumes of hot solids and gases which can be used as a propellant in firearms and fireworks.
Like black powder, they were produced in different grain sizes. In the United Kingdom, the finest grain was known as sulfur-free mealed powder (SMP). Coarser grains were numbered as sulfur-free gunpowder (SFG n): 'SFG 12', 'SFG 20', 'SFG 40' and 'SFG 90', for example where the number represents the smallest BSS sieve mesh size, which retained ...
Hodgdon also makes "Triple Seven", a sulfur-free black powder substitute containing potassium perchlorate and 3-Nitrobenzoic acid, and "Black Mag3". [10] These are both more energetic by mass than black powder and can produce higher velocities and pressures.
A common method of application is dusting the clothing or limbs with sulfur powder. A diluted solution of lime sulfur (made by combining calcium hydroxide with elemental sulfur in water) is used as a dip for pets to destroy ringworm (fungus), mange, and other dermatoses and parasites.
5 lis 2017 · It is thought that sulphur-free propellant can replace the black powder as the new environmental-friendly propellant in the fireworks industry with low sensitivity and excellent storage performance, and have great potential in application.
5 lis 2017 · In this paper, the display height test will verify whether the sulphur-free propellant can meet the actual discharge requirements, and the sulphur-free propellant and traditional black powder will be compared by the combustion performance and safety performance test.
