Creating components that blend different materials requires skill—and that’s where liquid silicone rubber overmolding and overmolding silicone shine. At Henry Precision, we use liquid silicone rubber overmolding to merge the flexibility and durability of silicone with the structural strength of plastics, metals, and glass, producing parts that outperform single-material alternatives. Our overmolding silicone processes are designed to add value at every stage, whether through better functionality, improved durability, or lower production costs.
Saving Time and Reducing Costs
One of the biggest advantages of liquid silicone rubber overmolding is its ability to streamline production. Traditional manufacturing often requires assembling separate parts with adhesives or fasteners, a time-consuming process prone to human error. With overmolding silicone, we mold silicone directly onto the base material in a single step, eliminating the need for manual assembly. This not only reduces labor costs but also minimizes the risk of defects caused by poor bonding or misalignment.
Building More Durable Products
Overmolding silicone creates parts that are inherently stronger and more reliable than assembled alternatives. The seamless bond between materials eliminates gaps where moisture, dust, or debris could enter, making parts more resistant to environmental damage. In automotive applications, this means liquid silicone rubber overmolding can produce gaskets and seals that maintain their integrity even after years of exposure to oil, heat, and vibration. For medical devices, the tight seal created by overmolding silicone prevents contamination, a critical feature for surgical tools or diagnostic equipment. Additionally, the combination of rigid substrates and flexible silicone improves shock absorption, making parts more resistant to drops or impacts—ideal for consumer electronics or portable medical devices.
Ensuring Compatibility and Quality
Successful liquid silicone rubber overmolding depends on understanding how materials interact, and our team prioritizes compatibility from the start. We evaluate factors like thermal expansion rates, hardness, and chemical resistance to ensure the base material and silicone work together long-term. Our mold design plays a key role too: we use two-shot molds optimized for liquid silicone rubber overmolding, ensuring uniform material flow and preventing air bubbles. Post-production, every part undergoes rigorous testing, including peel strength assessments to verify bonding strength and pressure tests to check for leaks. This commitment to quality ensures our overmolding silicone parts meet industry standards, from FDA requirements for medical devices to automotive durability specifications.
Supporting Diverse Industry Needs
Our liquid silicone rubber overmolding capabilities adapt to the unique needs of different sectors. In healthcare, we focus on biocompatible materials and cleanroom production to create parts like wearable sensor casings and drug delivery device components. For automotive and new energy vehicles, we emphasize heat resistance and durability, producing seals for batteries and engine components. In consumer electronics, overmolding silicone adds ergonomic features like soft grips on smart device chargers or water-resistant seals for headphones. No matter the industry, our approach remains the same: collaborate with clients to understand their goals, then use liquid silicone rubber overmolding to deliver a solution that meets performance, safety, and cost requirements.
Conclusion
Liquid silicone rubber overmolding and overmolding silicone are powerful tools for creating high-performance, multi-material components that solve complex manufacturing challenges. At Henry Precision, our focus on material compatibility, quality testing, and industry-specific expertise ensures these processes deliver real value—from faster production times to more durable products. Whether you’re developing medical devices, automotive parts, or consumer electronics, our liquid silicone rubber overmolding services help you build better, more reliable products that stand out in the market.
 
								
