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High explosives (HE, or high-order explosives) are explosive materials that detonate, meaning that the explosive shock front passes through the material at a supersonic speed. High explosives detonate with explosive velocity of about 3–9 kilometres per second (9,800–29,500 ft/s). For instance, TNT has a detonation (burn) rate of ...
Pure chemicals belong here. For mixtures and types of explosives, see Category:Explosives. Subcategories. This category has the following 6 subcategories, out of 6 ...
Modern caps use different explosives and separate primary and secondary explosive charges, but are generally very similar to the Gardner and Smith caps. Smith also invented the first satisfactory portable power supply for igniting blasting caps : a high-voltage magneto that was driven by a rack and pinion , which in turn was driven by a T ...
Division 4.1: Flammable Solid . Flammable solids are any of the following four types of materials: Desensitized Explosives: explosives that, when dry, are Explosives of Class 1 other than those of compatibility group A, which are wetted with sufficient water, alcohol, or plasticizer to suppress explosive properties; and are specifically authorized by name either in the 49CFR 172.101 Table or ...
A common commercial use of plastic explosives is for shock hardening high manganese percentage steel, a material typically used for train rail components and earth digging implements. [2] Reactive armor in tanks uses plastic explosives sandwiched between two plates of steel. Incoming high explosive shaped charge anti-tank rounds pierce the ...
Rubberized explosives are flat sheets of solid but flexible material, a mixture of a powdered explosive (commonly RDX or PETN) and a synthetic or natural rubber compound. Rubberized sheet explosives are commonly used for explosive welding and for various other industrial and military applications. Rubberized explosives can be cut to specific ...
There are many different types of water gel explosives for use in different situations. One type, a small diameter slurry explosive, can be used specifically for blasting in coal undercut, midcut, and depillaring areas. They are preferable to nitroglycerin-based explosives like dynamite because they produce less noxious fumes. [10]