Overmolding

Looking to create durable, multi-material parts? Gree-Ge offers Overmolding services to combine multiple materials into one seamless part. Upload your design today and receive an instant quote!

Overmolding services

Why Choose Gree-Ge for Overmolding?

Gree-Ge provides high-quality overmolding services,allowing the combination of rigid and flexible materials into a single,unified part.This process ensures increased durability,enhanced grip,and superior performance for applications in industries like medical devices,automotive components,and consumer electronics.Our advanced overmolding technology guarantees smooth integration and high-quality results.

What is Overmolding?

Overmolding is a multi-material injection molding process where a second material is molded over an existing part,typically a rigid core.This process creates complex parts with soft-touch surfaces,ergonomic grips,and enhanced durability.It is commonly used for products that require multi-material designs,such as medical devices,power tools,and automotive parts.

What is Overmolding

Overmolding Services by Gree-Ge

Explore Overmolding services by Gree-Ge,offering multi-material molding for creating parts with enhanced features like soft-touch surfaces,ergonomic grips,and added durability.Our overmolding capabilities provide advanced solutions for complex parts with varying material properties.

Ergonomic Handles

Ergonomic Handles

Multi-Material Consumer Goods

Multi-Material Consumer Goods

Medical Device Components

Medical Device Components

Overmolding-Tolerances

Feature Guideline/Tolerance
Optimal Wall Thickness for Bonding 0.060” – 0.120” (1.5mm – 3mm)
Minimum Corner Radius 0.020” (0.5mm)
Thick TPE Sections Core out to minimize shrinkage
Blind Pockets or Ribs Avoid deep or un-ventable areas
Wall Thickness Transitions Use gradual transitions
TPE/TPV Thickness Relative to Substrate Less thick to prevent warpage
Overmolding Bonding Requirement Requires mechanical or chemical bonding

Overmolding Materials and Finishing

Our Overmolding materials offer a wide range of options, are certified, and environmentally friendly, providing premium solutions for your products. Contact us now to learn more!

  • Silicone
  • EPDM
  • Buna-N
  • TPE
  • Urethane
  • Epoxy
  • Phenolic
  • TPE (Thermoplastic Elastomer)
  • Silicone
  • Rubber

A range of finishes from Grade 3 diamond/high polish to 320 stone low polish, including the following SPI grades: A-1, A-2, A-3, B-1, B-2, B-3, C-1, C-2, C-3, D-1, D-2, and D-3.

No secondary polishing or grinding is applied. The part will display tooling marks from the molding process.

Gree-Ge can match custom mold textures upon request.

Need a specific finish?

and we’ll explore a solution for you.

Why Choose Us

Choose Gree-Ge for seamless, high-quality manufacturing. Our efficient, cost-effective solutions ensure precision, reliability, and fast turnaround times. With expert coordination and advanced technology, we deliver superior results tailored to your needs.
Extensive Capabilities

Full range of manufacturing services meet diverse project requirements and provide custom parts with unmatched quality and efficiency.

High-Quality Standards
Our certifications: ISO 9001:2015/ISO14001 ensure that our processes meet international standards, providing our clients with high-quality, reliable, and precise products.
State-of-the-Art Technology
Our 3D printing services deliver superior quality and rapid prototyping, ensuring that our clients receive production-quality parts quickly and efficiently.
Versatile Solutions
Save up to 30% without compromising on exceptional service quality for both small and large production runs.
Customer-Centric Approach​
Ensures personalized service and support, meeting clients’ specific needs with rapid quotations and expedited lead times for seamless project execution, regardless of order size.
Precision and Tolerance
We excel in high-precision manufacturing, achieving ±0.0004″ tolerances to meet exacting standards.
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Bring Your Designs to Life with Gree-Ge

Experience precision CNC machining with Gree-Ge. From intricate prototypes to large-scale production, we’re ready to bring your ideas to reality. Contact us today to discuss your project needs!

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Overmolding Service by Gree-Ge: Everything You Need to Know

Market demand for overmolding surged because manufacturers use it to produce parts with advanced functionality with superior appearances and better ergonomic design. The transformative process drives changes in multiple fields such as consumer electronics, automotive, medical device and sports equipment production. 

Gree-Ge delivers customized overmolding services of superior quality to multiple business sectors throughout various industries. Let’s discuss  overmolding in detail with its applications.

What Is Overmolding?

Manufacturers use overmolding to connect multiple substances to generate consolidated products through a single manufacturing step. First the manufacturing process makes the base component called substrate before adding one or more layers at either inside or outside of the substrate. When combining materials through overmolding. the components can match each other (two thermoplastics) but they can also differ in their nature (a thermoplastic layered on metal).

Why Is Overmolding So Popular?

Through the manufacturing technique of overmolding, manufacturers achieve both advanced part functionality and improved attractive looks. This process both removes some production points and makes the distribution process more simple. The process of uniting several parts through overmolding generates quicker production times together with decreased costs and consistent end-product quality.

Why Use Overmolding?

Enhanced Aesthetics

Products manufactured through overmolding achieve attractive visual effects through a combination of various colors with different textures. Overmolding creates superior brand distinction together with refined product appearance.

Improved Grip and Ergonomics

Products made through overmolding hard plastics and metals with soft rubber materials gain better grip features which increases their user-friendliness—a manufacturing process used in power tools as well as toothbrush handles and various sporting goods.

Reduced Assembly Steps

Traditional manufacturing requires individual fastening steps when rubber grips need to be added to products. The combination of manufacturing processes in overmolding results in streamlined production that saves both labor and speeds up the process.

Enhanced Product Strength and Durability

Devices manufactured through overmolding acquire improved strength attributes by uniting hard materials with protective flexible components.

Simplified Supply Chain

Few suppliers combined with product elements produce an efficient one-step production method. The combination of gaskets and adhesives into one design eliminates the need to source materials from separate suppliers when using overmolded designs.

Which Material Is Best for Overmolding?

To achieve successful overmolding, one needs to carefully select appropriate materials. These are the material choices which remain popular among manufacturers:

Thermoplastic Elastomers (TPEs) / Thermoplastic Rubber (TPR)

The material offers several advantages by being a flexible type that easily allows shaping operations. The material applications for overmolding include gaskets along with handles and seals and grips.

Silicones

Excellent temperature resistance, chemical resistance, and flexibility. It is commonly used in medical devices, food-grade applications, and high-temperature environments.

Polypropylene (PP)

Polypropylene (PP) is lightweight, chemical-resistant, and cost-effective. Consumers use the materials to produce packaged goods, automobile parts and products.

Polycarbonate (PC)

High impact strength, clear transparency. It is commonly used in electronics housings, protective casings, and lenses.

Choose Gree-Ge for Reliable Overmolding Services

Gree-Ge maintains experience in running overmolding projects for many different industrial sectors. we ;ve a group of engineers and technicians who master the selection of materials and optimize designs and resolve production issues.

State-of-the-Art Manufacturing Facilities

The company provides accurate results and high quality through its advanced tools and modern technology in every project it executes. Your projects no matter how large or small fit into our state-of-the-art manufacturing facilities for both prototypes and industrial production.

Comprehensive Solutions

Our range of offerings goes past the overmolding service itself. Gree-Ge provides a full range of manufacturing services starting from design phases through tool and material procurement until final quality inspections with the result of meeting deadlines and achieving optimal pricing and product uniformity.

Quality Assurance

Quality control functions as Gree-Ge’s fundamental business process foundation. Our company operates its own testing facilities to verify that all precision manufacturing products satisfy the specifications and requirements of the industry. 

Cost-Effectiveness

Through design optimization along with material efficiency, Gree-Ge enables clients to maintain waste reduction and cost efficiency and error prevention.

So, don’t wait and reach out to our team with your product requirements, design files, or even initial concepts. We’ll schedule a consultation to understand your goals, provide guidance on design adjustments, recommend materials, and give you a project quote.

Expert Insights & Industry Trends

Explore the forefront of advanced manufacturing with Gree-Ge. Our blogs provide expert insights, industry trends, and practical tips to enhance efficiency, precision, and innovation in your production processes.

Frequently Asked Questions

Overmolding

  • What is the typical lead time for an overmolding project with Gree-Ge?

    Lead times vary based on the complexity of the part, tooling requirements, and volume. Generally, smaller, simpler projects can take a few weeks from design to production. 

  • Can Gree-Ge handle both low-volume prototyping and high-volume production?

    Absolutely. Our flexible manufacturing facilities are designed to accommodate orders of varying sizes.  

  • How do I choose the right substrate and overmold materials?

    Our engineering team will guide you through material selection based on factors like application requirements, chemical compatibility, mechanical properties, and cost-effectiveness.  

  • Will the overmolded layers peel off over time?

    We rigorously test for adhesion and durability, so peeling or separation is highly unlikely when materials are selected and processed correctly. 

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