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Not known Details About pu for automotive

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this kind of bullet proof ceramic is much better than Silicon Carbide and Aluminum Oxide material.Hardness is about HV3300,density is about 2.5g/cm3.bullet evidence ceramic is extensively used in major armored security https://anniemicj515675.verybigblog.com/28969506/how-global-trade-in-food-and-resources-can-save-you-time-stress-and-money

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