Test Details Test Purpose This test is used to determine whether a material in a process configuration can transition from a burn type event (1.3) to a explosion type event (1.1). Substances are initiated in a process (ideally in a plausible worst case) configuration. Assessments can be made on the […]
Monthly Archives: May 2018
16 posts
Test Details Test Purpose This test is used to determine the critical height at which a flame initiation transitions to an explosive reaction (explosion or detonation). This test is sometimes referred to as a critical mass test because the results are dependent on the self-confinement provided by the mass of […]
Test Purpose This test is used to determine if a finished or unfinished article can withstand a free-fall impact without producing any significant fire or explosion hazards. The test is not intended to evaluate whether the unit can withstand the actual impact. The article is dropped at an orientation in […]
Exudate Example Test Purpose This test is used to determine the reaction of articles when subjected to a mildly elevated temperature (75°C) for a specific period of time (48 hours). At the completion of the test, the article is examined for evidence of reaction. Any evidence of explosion, fire, damaged […]
Koenen Apparatus Description Test Purpose This test is used to determine the sensitiveness of a material to the effect of intense heat under vented confinement. In this test, the material is placed in a steel container with an orifice plate. The test apparatus is then placed in a protective steel […]
Test Details Test Purpose This test is used to determine the critical diameter at which a shock initiation propagates through the sample confined within the pipe or process piece of equipment. In this test, a shock initiator is placed at the top of a pipe assembly filled with the test […]
Test Description Test Purpose The DoD has used the NOL card gap test as one of the criteria to distinguish whether an explosive material is a 1.1 or a 1.3. Instead of placing the booster right next to the sample, an attenuator is placed between the shock source and the […]
Test Description Test Purpose The BATF and DoD use cap sensitiveness to distinguish between a high and low explosive. If the material fails the #8 cap test, then the BATF requires use of the high explosion table for storage siting and the DoD identifies the material as a 1.1 material […]
Test Description Test Purpose This test is used to determine if unconfined samples, once ignited continue burning or transit to an explosion or detonation. A bed of sawdust, containing small samples of test material, is ignited and monitored. The test is “+” if explosion or detonation occurs. Materials that fail […]
In-Process Substance Thermal Stability Test Description Test Purpose This test is used to determine the reaction of samples when subjected to a mildly elevated temperature (75°C) for a specific period of time (48 hours). At the completion of the test, the sample is examined for discoloration, weight loss, and dimensional […]