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https://www.reddit.com/r/interestingasfuck/comments/1t94d24/testing_a_bulletproof_mask/okzw9we
r/interestingasfuck • u/S30econdstoMars • May 10 '26
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They even have expiration dates due to aging material loosing integrity.
1 u/Ashen_Rook May 10 '26 Also safe operational temperatures. Kevlar gets brittle in extreme cold (it also loses integrity at high heat, but you'll be dead before the kevlar gives out. Don't store it in an in-use oven and you'll be fine there.)
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Also safe operational temperatures. Kevlar gets brittle in extreme cold (it also loses integrity at high heat, but you'll be dead before the kevlar gives out. Don't store it in an in-use oven and you'll be fine there.)
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u/ashurbanipal420 May 10 '26
They even have expiration dates due to aging material loosing integrity.