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Polipropileno frente a polietileno: Principales diferencias
You keep hearing “polypropylene vs polyethylene” and wonder which one is better for your project. Both plastics show up in lunch containers, grocery bags, and water pipes, yet they behave very differently in heat, cold, and heavy wear. Quick answer—five points to remember: The rest of this guide explains why these points matter. You will […]
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