What is a plastic bumper?
in old cars bumpers was made of steels and other heavy metal materials
nowadays polymer composites are use in this field because of their Strength and Lightness
TPOs( thermoplastic olefins) are good example for this case
at the other hand, the importance of polymers is their "memory effect"
we can call this effect "the polymers Secret of success"
polymers have memory like a Spring
after an accident, when the impact makes bumpers deformed, the plastic bumpers can return to their previous shape
memory effect and lightness is just two of the benefits that will convinced us to Farewell with metal bumpers
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