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It has an explosive limit between 7.3% and 62% by volume in air, indicating a wide flammable range, which contributes to its high fire and explosion risk. With a vapor density of 2.1 (heavier than air) and a specific gravity of 1.14, nitromethane is a colorless, oily liquid that is slightly soluble in water but miscible with alcohol and ether.
Controlling gas and vapor concentrations outside the flammable limits is a major consideration in occupational safety and health. Methods used to control the concentration of a potentially explosive gas or vapor include use of sweep gas, an unreactive gas such as nitrogen or argon to dilute
Tovex is a 50/50 aqueous solution of ammonium nitrate and methylammonium nitrate (sometimes also called monomethylamine nitrate, or PR-M), sensitized fuels, and other ingredients including sodium nitrate prills, finely divided (paint-grade) aluminum, finely divided coal, proprietary materials to make some grades cap sensitive, and thickening agents to enhance water resistance and to act as ...
Take wood as an example. Finely divided wood dust can undergo explosive flames and produce a blast wave. A piece of paper (made from wood) catches on fire quite easily. A heavy oak desk is much harder to ignite, even though the wood fibre is the same in all three materials.
As the building's heat source was natural gas, there was a heater with a pilot light in the basement. As the gas built up, the heater's pilot light became the ignition source of the explosion. A year later the company was fined US$300,000 by the New Jersey Board of Public Utilities after their investigation found multiple safety violations. No ...
The velocity of detonation is an important indicator for overall energy and power of detonation, and in particular for the brisance or shattering effect of an explosive which is due to the detonation pressure. The pressure can be calculated using Chapman-Jouguet theory from the velocity and density.
[3] [5] This is because Class B fires typically have a fuel with a lower density than water (causing it to rise) and the burning fluid is hotter than the boiling point of water (212 °F or 100 °C). The resulting sudden rising of a column of flames together with droplets of boiling fuel and water is generally known as a slopover.
A fire class is a system of categorizing fire with regard to the type of material and fuel for combustion.Class letters are often assigned to the different types of fire, but these differ between territories; there are separate standards for the United States (NFPA 10 Chapter 5.2.1-5.2.5), Europe (DIN EN2 Classification of fires (European Standard) ISO3941 Classification of fires ...