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Plastic explosive is a soft and hand-moldable solid form of explosive material. Within the field of explosives engineering, plastic explosives are also known as putty explosives [1] or blastics. Plastic explosives are especially suited for explosive demolition. Common plastic explosives include Semtex and C-4.
The idea for Sugru was developed by Jane Ní Dhulchaointigh from Kilkenny, Ireland. [10] Ní Dhulchaointigh studied product design as a post-graduate research student at the Royal College of Art, where she conceived the idea for the substance in 2003 while using mixtures of standard silicone sealants and sawdust in her work.
The second change was to use a poured plastic matrix to briefly contain the blast from the explosive, so that more of the blast energy was converted into projectile velocity. After a number of experiments, the engineers settled on Devcon-S steel-filled epoxy to hold the balls in place. With this change, the velocity improved to 3,995 feet per ...
As time went by, many other uses were found for the putty, which enabled it to penetrate both the consumer, industrial, and mining markets. [2] This versatile epoxy putty, originally called "Pratley Plastic Putty", was the first of its kind in the world and was used on the Ranger spacecraft that went to the moon in the mid 1960s. This earned ...
C-4 or Composition C-4 is a common variety of the plastic explosive family known as Composition C, which uses RDX as its explosive agent. C-4 is composed of explosives, plastic binder, plasticizer to make it malleable, and usually a marker or odorizing taggant chemical.
Price on Etsy: $1,650 While most blow molds are 100% plastic, this Santa face from the ’50s embedded in a wood frame is the only plastic piece classifying this decoration as a blow mold.