FDA TPE Medprene Ear Set Injection Molding | Soft Touch Single Shot Ear Hook / Eartip Component

Product Description

OVERVIEW Custom single-shot injection molded ear set / ear hook / eartip component made from FDA-grade TPE, Medprene material. The soft elastomeric formulation provides a gentle, skin-friendly surface that conforms comfortably to the ear contour for extended wear. With a very fine finish and controlled flexibility, this part is suitable for headphones, hearing aids, audio ear hooks, sports ear sets, and medical/wellness devices requiring soft-touch comfort. MANUFACTURING SPECIFICATIONS • Material: FDA TPE / Medprene soft-touch elastomer • Process: Single-shot injection molding • Hardness: Customizable TPE durometer for comfort, grip, and rebound • Surface Finish: Very fine / smooth finish to reduce skin irritation and improve wearing comfort • Features: Curved ear-hook profile, retention shape, thin sections, and ergonomic contour • Dimensional Control: Consistent wall thickness and elastic recovery after repeated flexing • Clean Production: Suitable for skin-contact and regulated material applications • Quality: Flash, burr, and parting-line control for comfortable ear-contact surfaces KEY ADVANTAGES • Skin-Friendly Comfort: Soft TPE/Medprene feels gentle against the skin during long-term use. • Conforming Fit: Flexible material adapts to ear shape for secure and stable positioning. • Fine Surface Quality: Smooth finish helps reduce friction, chafing, and visible molding defects. • Single-Material Simplicity: One-shot molding reduces tooling complexity versus multi-shot parts. • Good Elastic Recovery: Maintains shape after bending, stretching, or daily handling. • FDA-Grade Material Option: Supports applications with stricter material compliance needs. TYPICAL APPLICATIONS • Ear hooks and ear loops for headphones / ear sets • Soft eartips, ear cushions, and retention pieces • Hearing-aid or assistive-listening device soft components • Sports audio gear comfort accessories • Medical/wellness device skin-contact parts • Wearable audio and communication device soft-touch elements PROCESS NOTE TPE requires proper drying and temperature control to avoid splay, streaks, or weak knit/weld lines. Gate location is selected to minimize visible marks on visible/contact surfaces. Wall thickness and radii are balanced to prevent stress concentration while keeping the part flexible and comfortable. QUALITY ASSURANCE Visual inspection for surface defects, flash, short shots, discoloration, and finish consistency. Flex/rebound check and dimensional verification of curvature and fit contour. Material certification and compliance documentation available on request.

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