Connectors and pull-relief

ElectronicsInjected TPU in specific geometries
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What it is

What it is

Cable connectors (audio jack, USB, RJ45, M12 industrial) use TPU in pull-relief components — the flexible piece that protects the point where the cable meets the connector. Prevents internal ruptures from repeated pulling. Critical component in technical cable durability.

The PU technology applied here is typically injected tpu in specific geometries, selected for the combination of mechanical, chemical and processing properties suitable for the application. Specific formulations vary by equipment manufacturer or final integrator, but the base system has stable characteristics documented in technical literature and segment-specific standards.

Why it matters

Why it matters

For electronics manufacturers and EMS, connectors and pull-relief is a decision simultaneously impacting unit cost, field failure rate, regulatory certification and production cycle time. Wrong material costs cents per unit and hundreds of millions in accumulated recall. Right material delivers years of operation without failure even in aggressive environments.

Current drivers. Miniaturization and power density grow in all segments — each generation packs more function per cm², generating more heat and more contamination vulnerability. Regulation of electronics in specific environments (medical ISO 13485, automotive IATF 16949, aerospace AS9100) gets stricter. And industrial electrification (5G, EVs, Industry 4.0, IoT) created new consumer segments in accelerated expansion.

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