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Revision as of 19:55, 23 June 2010
 | This article needs additional citations for verification. (November 2007) |
The Trauzl lead block test, also called the Trauzl test or just Trauzl, is a test used to measure the strength of explosive materials. It was developed by Isidor Trauzl in 1885.
The test is performed by loading a 10-gram foil-wrapped sample of the explosive into a hole drilled into a lead block with specific dimensions.[citation needed] The hole is then topped up with sand, and the sample is detonated electrically. After detonation, the volume increase of the cavity is measured. The result, given in cm3, is called the Trauzl number of the explosive.
A variant of the test uses an aluminium block.
Examples
Explosive power of chemical explosives by Trauzl number:
| Explosive | Trauzl rating (cm³/g) |
|---|---|
| Acetone peroxide | 25-33 |
| RDX (C4/Hexogen) | 45 |
| HMTD | 33 |
| HMX (octogen) | 48 |
| Nitroglycerin | 52 |
| Pentaerythritol tetranitrate | 52 |
| Trinitrotoluene (TNT) | 30 |
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