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Nitramex is a type of explosive developed by du Pont in 1934, similar to Nitramon. It is a canned product that is insensitive to shock, friction, or small-caliber ammunition. Nitramex is a stronger explosive than Nitramon because it contains TNT and a metallic ingredient like aluminum.1

Nitramex was largely replaced by water gels. It was used in a massive commercial blast in Seymour Narrows, British Columbia, on April 5, 1958, to remove a dangerous underwater rock formation known as Ripple Rock. This blast utilized 1,253,000 kilograms of Nitramex 2H.1

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