Overmolding is a specialized process. Here’s how we make overmolded gaskets and seals at our plant in Tijuana, Mexico.
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This gallery shows off some of our overmolded gaskets molded with a combination of metal and rubber, including silicone, HNBR, FKM, and Vamac
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This gallery is features (even more) seals made with self-lubricating high-consistency rubber silicone (HCR).
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Self-lubricating (or Self-Bleeding or Oil-Impregnated) silicones are very helpful for seals that require reduced friction for various reasons.
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Overmolding combines multiple materials into a single part, and in this article you’ll find photos of some of the overmolded seals we make in Mexico.
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This article includes a gallery of some of the AEM seals we manufacture in Mexico, followed by an explanation of key capabilities that help explain why we use AEM for automotive and industrial applications.
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This article includes a gallery of some of the AEM seals we manufacture in Mexico, followed by an explanation of key capabilities that help explain why we use AEM for automotive and industrial applications.
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This article includes a gallery of some of the ACM (Polyacrylate) seals we manufacture in Mexico, followed by an explanation of key capabilities that help explain why we use ACM for critical automotive applications.
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This article includes a gallery of some of the LSR seals we manufacture in Mexico, followed by an explanation of key capabilities that help explain why we use LSR for critical applications, including overmolding.
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This article includes a gallery of some of the FKM seals we manufacture in Mexico, followed by an explanation of key capabilities that help explain why we use FKM for critical applications.
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This article includes a gallery of some of the HCR silicone seals we manufacture in Mexico, followed by an explanation of key capabilities that help explain why we use HCR silicone for critical applications.
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This project tackled key challenges in automotive design, including emissions reduction, cold weather performance, and maintaining the vehicle's design integrity.
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How does the tear strength performance of LSR compare to an HCR silicone? Let’s take a look.
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For manufacturing overmolded automotive gaskets and seals, Liquid Silicone Rubber (LSR) is generally preferred over High Consistency Rubber (HCR). LSR’s optimal performance for overmolding is based on several key factors.
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For molding automotive gaskets, both LSR and HCR both have distinct processing characteristics that influence production costs. Let’s look at some scenarios to illustrate how we might choose the ideal material for manufacturing various electrical connectors in Mexico.
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LSR (Liquid Silicone Rubber) tools typically have fewer cavities and higher upfront costs compared to tools for HCR (High Consistency Rubber), but what are the other considerations for this process versus compression molding?
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Liquid Silicone Rubber (LSR) generally has faster cycle times in molding processes than High-Consistency Rubber (HCR), but that doesn’t always make LSR the preferred choice for molding automotive gaskets and seals. In this article, we explore why LSR cycle times are typically faster, and how faster cycle times can help reduce manufacturing costs for some automotive programs.
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Overmolding is a specialized manufacturing process that results in a seamless combination of multiple materials into a single part. Some overmolded seals use a physical bond, while others require a chemical bond. For overmolded seals that require a chemical bond, specialized adhesive coatings are often used due to several key reasons.
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