shell filler

shell filler

[′shel ‚fil·ər]
(ordnance)
Explosive or other material used to make up the filler or charge in a projectile.
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References in periodicals archive ?
Mechanical properties of epoxy/coconut shell filler particle composites.
Meanwhile, applications for halogen-free FRs can sometimes be surprising; oyster shell fillers in flame-retardant PP, for example, is one focus of Clariant.