1.0Extracohttps://extraco.gr/en/Plain detonators No8 - Extracorich600338<blockquote class="wp-embedded-content" data-secret="BOckvDHdnD"><a href="https://extraco.gr/en/product/plain-detonators-no8/">Plain detonators No8</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://extraco.gr/en/product/plain-detonators-no8/embed/#?secret=BOckvDHdnD" width="600" height="338" title="“Plain detonators No8” — Extraco" data-secret="BOckvDHdnD" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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https://extraco.gr/wp-content/uploads/2024/04/koinoi-pyrokrotites-no8.jpg1000540Plain detonators or blasting caps consist of an aluminum shell, closed at one end. The bottom of the shell is filled with a base charge of PETN and a primary charge on top of that. The primary charge, pickups the flame from the safety fuse and converts burning into detonation, initiating the base charge. The strength of the detonator is expressed in numbers which No.8 is the most widely used. Such a detonator contains approximately 9 mg of explosive charge.