German designation : Granatfüllung 88
French designation : Melinite
British designation : Lyddite
Japanese designation : Shimose
Italian designation : Pertite
Picric Acid or
Trinitrophenol – C6H2-
It was used especially by nations which have Krupp equipments, but at the beginning of 19th century German Army replaced it with Trotyl (T.N.T.). The Melinite, used by French Army, was Picric Acid with the addition of a little of mineral oil.
Trinitrotoluol or Trinitrotoluene (T.N.T.)
German designation : Füllpulver 02
Trinitrotoluol – C6H2-CH3-(NO2)3
–, called Trotyl in
T.N.T. was first prepared in 1863 by German chemist Joseph Wilbrand and originally used as a yellow dye. Its potential as an explosive was not appreciated for several years mainly because it was very difficult to detonate and because it was less powerful than alternatives. The German Army adopted it as a filling for artillery shell only in 1902.
German designation : Füllpulver 60/40
It is a crystalline high explosive, yellow or brownish in colour, made from a mechanical mixture of T.N.T. and ammonium nitrate (NH4NO3). Amatol exploits the synergy between T.N.T. and ammonium nitrate. T.N.T. has a high detonation velocity and good brisance, but is comparatively expensive and complex to manufacture and is also deficient in oxygen. Ammonium nitrate has a fairly low detonation velocity and correspondingly low brisance, but is extremely cheap and easy to manufacture. Moreover it contains a surplus of oxygen which T.N.T. can use during detonation. Depending on the ratio of ingredients used, Amatol leaves a residue of white or grey smoke after detonation. It is moisture-absorbing, insensitive to friction, but may be detonated by severe impact. It is hygroscopic and should not be stored in containers made from copper or brass, as it can form dangerous compounds.
The Füllpulver 60/40, used by German Army during WW1, was composed by 60% T.N.T., and 40% ammonium nitrate. Its detonation velocity was 5500 m/s.
It consists of 75% ammonium nitrate, 5% carbon, and 20% metallic alluminium. At the beginning of 20th Century various similar compositions were used, in some of which the carbon was replaced by a hydro-carbon such as heavy oil, while others contained chlorate of potash to make the composition livelier. The later forms of Ammonal introduced contained a portion of T.N.T. The British Army employed Ammonal for their mines from early 1915. It comprised a mixture of 65% ammonium nitrate, 15% T.N.T., 17% coarse aluminium and 3% charcoal by weight. Its detonation velocity was 4580 m/s.
Ammonal is not easy to detonate without fulminate, but it can be made to explode with great violence by the use of a primer of ammonia powder. The violence of the explosion is due to the very high temperature generated by the burning of the aluminium dust. All forms of Ammonal are strongly hygroscopic, and liquefy when exposed to the air. They useless unless kept inside a shell under a metallic seal.
It is a form of Ammonal used by Schneider for H.E. shell busters. It consisted of 11% dinitronaphthalene, 88% ammonium nitrate (NH4NO3) and 1% resin, intimately incorporated together by grinding in a black powder mill, and loaded by compression. It is a fine straw-yellow powder. As all kinds of Ammonal, also Schneiderite was very hygroscopic. It was generally used by the nations which adopted Schneider equipments.
It is a
mixture of ammonium cresylate with picric acid. It
is a bright yellow solid which is unaffected by moisture, shock or fire. It
is waxy to touch and melts at about
Ecrasite was invented in 1888-1889 by Siersch
and Kubin, and was used in
It is yellowish-grey in colour and usually consists of ammonium nitrate, woodmeal, dinitrotoluene with traces of T.N.T., a small amount of Nitroglycerine and usually some Nitrocellulose. Its explosive effect is fairly powerful, but not of excessive violence. Its detonation velocity was 4000 m/s. It was employed by the German Army in Minenwerfer shells.
It consisted of 55%-84% Ammonium nitrate, up to 22% Nitroglykol, and 11%-16% T.N.T. + Dinitrotoluene.
At the beginning of WW1 German Army used as replacement for the more expensive Füllpulver 02 some ammonium-nitrate-carbon explosives, such as Donarite, Roburite or Westfalite. They were too sensitive against the shock of firing and caused so many bore premature, that at the beginning of 1915 all these shells had to be withdrawn from the front. The problem was solved with the introduction of the Füllpulver 60/40.