The University of Western Ontario

Barry Lamperd

Judit Eva Puskas

Amer Ebied

Bhuwneesh Kumar

Kumar Bhuwneesh

Judith E Puskas

A high-density composite material and its use in the manufacture of less-lethal ammunition projectile is disclosed. The composite ammunition projectile material is produced from a compact mixture of fine iron powder, a highly damping, inert, non-toxic elastomer and an inert non-toxic thermoplastic elastomer. The composite ammunition projectile material is first blended, then the projectile is injection molded or compression molded. The density of the composite ammunition projectile material is adjustable in terms of ratio of iron powder to elastomer to thermoplastic elastomer block co-polymer, but a minimum density of 2.4 gcmis preferred. A blend comprising an elastomer and a thermoplastic elastomer with low creep is also disclosed.

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Sarnia, Canada

Barry Lamperd