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In the electronics industry, your most significant costs may not come from manufacturing processes, but from an invisible enemy: Electrostatic Discharge (ESD). A single precise PCB, a high-end chip, or sensitive components can suffer latent damage during shipping or handling due to static electricity, leading to product failure "without cause" on the customer's end. This hidden damage not only causes high warranty returns and repair costs but also severely damages brand credibility.

This guide compares four main packaging foams—EPS, EPE, PU, and EPP—highlighting their properties, applications, and sustainability. It helps buyers choose the right foam for product protection, cost efficiency, and eco-friendly performance across diverse industries.