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Case Study: Delrin® and Zytel® work together in snap-fit design for rotary switch for gear shifts

Delrin® acetal requires no lubrication to snap fit into Zytel® nylon.

Application Description

Rotary switch for various automotive gear shifts.

Materials Selected and Why

DuPontTM Delrin® acetal resin (natural color part) was chosen because of its excellent abrasion resistance against DuPontTM Zytel® nylon (black part), needing no lubrication.

Benefits Gained

The design allows an integrated snap-fitting construction that reduces complexity and assembly time.

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