Strong plastic armor

[netang]

Don't know where to put this thread. I want to know: Which is better to use plastic to create armor to combat street hooligans? It is necessary that the knife could not pierce armor.

[fiveworlds]

http://en.m.wikipedia.org/wiki/Kevlar

[netang]

I know about Kevlar. I can't get it simply.

[fiveworlds]

http://en.m.wikipedia.org/wiki/Polycarbonate used in riot shields though useless against liquid nitrogen and petrol bombs. Edited August 17, 2014 by fiveworlds