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dianfirmansy

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dianfirmansy

bulletproof kevlar

what exactly the property that make a kevlar sheet unpenetrable by bullet? Is it the tensile strength, breaking strength, stiffness, or others? Thanks.
05:10 Wed 09th Aug 20064 answers, last by CherylHuntley 19:37 Sat 28th Jan 2017

Only 1 question