Engineered Overmolding Solutions for High-Performance Multi-Material Parts
Manufyn delivers precision-engineered overmolding services that enhance both the performance and appearance of complex plastic and rubber components. By combining two or more materials into a single, bonded structure, overmolding enables improved ergonomics, durability, vibration resistance, and aesthetic finish
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Overmolding is a multi-step manufacturing process where one material, typically a soft thermoplastic elastomer, is molded over a pre-formed substrate made of rigid plastic or metal. This creates a single composite component that combines the strength of the base material with the functional or ergonomic benefits of the overmolded layer.
TPE, TPU, LSR, Nylon, ABS, PC, Aluminum, Brass, Stainless Steel
Plastic injection molded parts, machined metal inserts, die-cast components
Single-shot, multi-shot, or insert
overmolding
Tight tolerance molding for critical
components
Rapid prototyping to high-volume
production runs
Adds soft-touch comfort, better grip, and sleek design to handheld products.
Creates a unified part with improved wear resistance and shock absorption.
Eliminates the need for fasteners, adhesives, or separate assembly of parts.
Seals sensitive electronics and mechanisms from environmental contaminants.
Supports intricate part geometries, embedded features, and co-molded inserts.
Allows diverse material properties within a single molded part.
Knowledge of advanced plastics, elastomers, and bonding techniques
In-house tooling, insert molding, CNC, and injection capabilities
High precision for multi-material, multi-shot molded parts
DFM optimization and CAD simulation for overmolded parts
Bond strength, seal integrity, and dimensional accuracy ensured
From concept to final product, Manufyn’s expert team is equipped to help you build high-performance overmolded parts that last longer and function better.
Get in touch today for a customized quote or design consultation.
Partner with Manufyn for custom contract manufacturing services that deliver precision, efficiency, and peace of mind.
Overmolding is used to combine materials for improved grip, sealing, or aesthetic appeal in tools, electronics, automotive, and consumer goods.
Yes. We provide rubber and plastic overmolding over metal inserts or die-cast parts for added protection and functionality
Thermoplastics like ABS, PC, and Nylon can be used as substrates. Overmolds often use TPE, TPU, silicone rubber, or LSR.
While both involve molding over an insert, insert molding typically embeds metal or electronics during molding. Overmolding focuses on bonding layers of material together.
Yes. We support prototyping and small batches with rapid tooling and flexible production options.
Overmolding is commonly used in automotive, medical devices, electronics, power tools, and consumer products to improve durability, ergonomics, and part integration.
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Yes. Our engineering team supports DFM (Design for Manufacturability), material pairing, and tooling design to ensure successful custom overmolding with strong adhesion and structural performance.
We can overmold around metal components, PCB assemblies, sensors, handles, connectors, and pre-molded plastic parts—depending on your application and performance needs.
Yes. We offer dual-shot molding for high-precision applications where two materials are molded in a single cycle—ideal for parts requiring color contrast, grip zones, or soft-touch layers.
We implement process controls, adhesion testing, in-mold bonding validation, and dimensional checks to deliver consistent quality in every overmolded component.
