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- Q2428580 subject Q6009239.
- Q2428580 abstract "An explosive booster is a sensitive explosive charge that acts as a bridge between a (relatively weak) conventional detonator and a low-sensitivity (but typically high-energy) explosive such as TNT. By itself, the initiating detonator would not deliver sufficient energy to set off the low-sensitivity charge. However, it detonates the primary charge (the booster), which then delivers an explosive shockwave that is sufficient to detonate the secondary, main, high-energy charge. Unlike C4 plastic explosive, not all explosives can be detonated simply by inserting a detonator and firing it.An initiator such as a shock tube, cannon fuse, or even a conventional detonator does not deliver sufficient shock to detonate charges comprising TNT, Composition B, ANFO and many other high explosives. Therefore, some form of "booster" is required to amplify the energy released by the detonator so that the main charge will detonate. Tetryl was once a very popular chemical for booster charges, particularly during World War II, but has been largely superseded by other compositions, e.g. a small cylinder or pellet of phlegmatized RDX or PETN (slightly larger than the actual detonator) into which the detonator itself is inserted.Note: booby traps and improvised explosive devices frequently use plastic explosive as the booster charge, for example, some C4 or Semtex stuffed into the empty fuze pocket of a 120mm mortar shell. This is because any standard detonator will initiate plastic explosive as is.When encountered in connection with artillery shells or air dropped bombs, a booster charge is sometimes referred to as the "gaine". See detonators.At a purely technical level, a sufficiently large detonator would initiate high explosives without the need for a booster charge. However, there are very good reasons why this method is never used. Firstly, there is a major safety issue, i.e. detonators are (like all primary explosives) much more sensitive to shock, heat, and friction than an explosive booster. Therefore, minimising the amount of primary explosive that users must store or carry greatly reduces the likelihood of serious accidents. An additional economic reason for using explosive booster charges is that chemical compounds used in detonators (e.g. lead styphnate) are comparatively expensive to produce and encapsulate when compared to the manufacturing costs of explosive boosters.A common form for boosters is to cast the explosive material into a cylindrical shell made of cardboard or plastic; these are accordingly known as cast boosters.".
- Q2428580 wikiPageWikiLink Q1088842.
- Q2428580 wikiPageWikiLink Q1187584.
- Q2428580 wikiPageWikiLink Q1249453.
- Q2428580 wikiPageWikiLink Q12870.
- Q2428580 wikiPageWikiLink Q1472852.
- Q2428580 wikiPageWikiLink Q1568202.
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- Q2428580 wikiPageWikiLink Q184158.
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- Q2428580 wikiPageWikiLink Q3778724.
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- Q2428580 wikiPageWikiLink Q425053.
- Q2428580 wikiPageWikiLink Q4821767.
- Q2428580 wikiPageWikiLink Q6009239.
- Q2428580 wikiPageWikiLink Q62627.
- Q2428580 wikiPageWikiLink Q664571.
- Q2428580 wikiPageWikiLink Q7499886.
- Q2428580 wikiPageWikiLink Q786054.
- Q2428580 wikiPageWikiLink Q7905205.
- Q2428580 wikiPageWikiLink Q898359.
- Q2428580 wikiPageWikiLink Q898998.
- Q2428580 wikiPageWikiLink Q903397.
- Q2428580 wikiPageWikiLink Q947247.
- Q2428580 comment "An explosive booster is a sensitive explosive charge that acts as a bridge between a (relatively weak) conventional detonator and a low-sensitivity (but typically high-energy) explosive such as TNT. By itself, the initiating detonator would not deliver sufficient energy to set off the low-sensitivity charge. However, it detonates the primary charge (the booster), which then delivers an explosive shockwave that is sufficient to detonate the secondary, main, high-energy charge.".
- Q2428580 label "Explosive booster".