Dab tsi yog cov yam ntxwv ua haujlwm ntawm Riot Shields?

Cov ntaub thaiv npog tsis txaus ntseeg tau txais cov qauv nrog cov chaw hauv zos convex, tsa platforms, thiab cov npoo ntxiv, uas txhim kho nws txoj kev tiv thaiv kev cuam tshuam. Cov ntaub thaiv npog lub cev yog ua los ntawm cov khoom siv muaj zog thiab cov khoom zoo hauv PC, uas tau ua tiav thiab txhaj rau hauv pwm, thiab muaj kev ua tau zoo heev. Yog li, koj puas paub cov yam ntxwv ua haujlwm ntawm riot shields?

Cov yam ntxwv ua haujlwm ntawm riot shields:
1. Kev cuam tshuam lub zog: Tom qab tsoo ntawm qhov nrawm ntawm 21m / s, lub cev tiv thaiv tsis pom kev tawg lossis tawg.
2. Los tiv thaiv kev cuam tshuam lub zog: Tom qab ntaus nrog 500J lub zog, cov ntaub thaiv npog lub cev tsis tawg lossis tawg
3. Puncture kuj: 147 joules kinetic zog puncture, shield force point aperture<5mm
4. Kev cuam tshuam lub zog: 147 Joule kinetic zog cuam tshuam, tiv thaiv lub cev tsis nkag mus rau qhov
5. Kev xa tawm: ＞ 85%
6. Kev tiv thaiv cheeb tsam: 0.49 square meters (930mm x 530mm)
7. Arm pluaj txuas lub zog: ＞ 500N
8. Thickness: ＞ 4mm

Riot shields hais txog cov cuab yeej tiv thaiv zoo ib yam li cov ntaub thaiv nruab nrab siv los ntawm tub ceev xwm tub ceev xwm thiab tub ceev xwm tawm tsam, feem ntau yog ua los ntawm cov khoom siv polycarbonate.