Similar Compounds
The British military uses a very similar plastic explosive known as PE4. Like C4, it is an off-white colored solid and its explosive characteristics are nearly identical to C4. The type and proportion of plasticizer used differs, and PE4 has a slightly greater velocity of detonation, 8,210 m/s (26,900 ft/s). Semtex is a somewhat similar plastic explosive.
Read more about this topic: C-4 (explosive)
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