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What are the differences between Protec-VieTM bulletproof vest and vest made of Aramid fiber?

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What are the differences between Protec-VieTM bulletproof vest and vest made of Aramid fiber?

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R: (1)Protec-VieTM Bulletproof Vest is much stronger, lighter, and more convenient for moving. Protec-VieTM Bulletproof Vest is made of the highly engineered composite SURREPETM fiber, which has superior strength-to weight ratio.The standard style concealable Protec-Vie bulletproof vest (NIJ IIIA) weighs 2.0kg for Medium size, while the Aramid bulletproof vest (NIJ IIIA) weighs around 2.5kg for the same size. The tensile strength of SURREPETM fiber is about 32g/d, while it is about 26g/d even for the strongest Aramid fiber. The strength-to-weight ratio for SURREPETM fiber is about 40% higher than Aramid. (2)Protec-VieTM Bulletproof Vest is very resistant to UV radiation. After exposed to sun shine for 24 months continuously, the strength of UHMWPE fiber has decreased 30%, while the strength of Aramid fiber has decreased 80%.

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