Detoneeriva nööri südamikus kasutatakse suure brisantsusega lõhkeainet (nitropent, heksogeen, tetrüül jt), mis on kaetud mitmekordse põimitud niitkihiga.
High explosives decompose very rapidly to produce an uncontrollable blast. Examples of this type include dynamite, nitroglycerine, and trinitrotoluene (TNT); they are exploded using a detonator. Other high-power explosives include pentaerythritol tetranitrate (PETN) and ammonium nitride/fuel oil mixture (ANFO).
