LSR Overmolded Side Buttons with Metal Core

Product Overview

The LSR Overmolded Side Buttons are engineered interface components designed for outdoor electronics, portable devices, wearables, and marine equipment requiring stable switching performance and environmental protection. Each button features a liquid silicone overmolding construction with an embedded metal core that serves as the conductive element. When pressed, the metal core travels downward to connect with the underlying circuit structure, enabling reliable switch activation. The LSR overmolding process ensures precise encapsulation of the metal core with tight dimensional tolerances—critical for both consistent conductive travel and effective sealing against moisture and dust.

Beyond dimensional precision, our advanced material formulations and process controls deliver exceptional actuation stability. The button maintains a consistent press feel with no sinking or collapse over time, supported by over 1 million actuation cycles validated through comprehensive reliability testing including temperature cycling, humidity exposure, and mechanical endurance. This combination of precision overmolding, stable conductive performance, and rigorous quality assurance ensures dependable operation across outdoor, portable, and marine environments.

Core Advantages

1. Precision LSR Overmolding with Embedded Metal Core ： The metal core is precisely encapsulated within liquid silicone via advanced overmolding, ensuring accurate positioning and consistent conductive travel for reliable circuit activation with every press.

2. Tight Dimensional Control for Stable Conduction & Sealing ： Our precision molding capabilities maintain strict tolerances, ensuring the metal core aligns perfectly with PCB contacts while the silicone shell forms a natural moisture barrier—delivering both reliable switch activation and inherent environmental sealing.

3. Over 1 Million Cycle Life with Stable Actuation Force ： Engineered for high-frequency use, this side button maintains consistent press feel without sinking or collapsing over time. Each batch undergoes comprehensive reliability testing including temperature cycling, humidity exposure, and mechanical endurance to ensure dependable performance across demanding environments.

Application & Custom Service

1.Industry Compatibility:

Outdoor Electronics : Portable GPS devices, handheld radios, ruggedized smartphones, and field measurement equipment

Wearable Devices : Smartwatches, fitness trackers, and medical monitoring wearables requiring compact waterproof buttons

Marine Equipment : Boat electronics, underwater cameras, and dockside control devices exposed to water and salt spray

Portable Consumer Electronics :Waterproof speakers, action cameras, and outdoor lighting controls

2.Core Product Application Scenarios:

Ruggedized Handheld Devices for Outdoor Field Use : IP67-rated sealing protects against rain, dust, and accidental immersion during field operations in harsh weather conditions

Marine Navigation Equipment for Saltwater Environments : Corrosion-resistant silicone and high-sealing construction ensure reliable operation in high-humidity, salt-spray marine conditions

Industrial Measurement Instruments for Wet Work Sites : IP68-rated buttons maintain reliable operation in flooded industrial areas and withstand frequent cleaning and sanitization

Customization & Ordering Information

1.Fully Customized Products: All ES Silicone products are custom-made based on customer requirements.

2.MOQ Requirements: MOQ varies by product category, structure, and production requirements. Typically, orders start from 100 pieces.

3.Prototype & Mass Production: We support prototype validation before mass production. Reasonable prototype fees apply and may be credited for qualified projects.

4.Engineering Support: Our engineering team provides DFM evaluation to optimize product feasibility and ensure stable production.

5.More Project Cases: Website examples represent selected non-confidential projects. Contact us for more customized applications and solutions.

6.Learn More About ES Silicone: Discover our capabilities and workflow through Who We Are and How We Work.