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    Instant Quoting

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    Rapid Prototyping

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    High-Volume Production

Instant Quoting for Your Overmolding Needs

LS provides fast and accurate quotes for your Overmolding projects. With a variety of material options, surface treatments, and precision molding capabilities, our instant quoting system is designed to provide you with a tailored and competitive offer to meet your production requirements.

  • Choose from thermoplastics like ABS, TPE, and PC for the overmold, combined with substrates such as PP, nylon, or metal for a strong, functional bond.Choose from thermoplastics like ABS, TPE, and PC for the overmold, combined with substrates such as PP, nylon, or metal for a strong, functional bond.
  • From soft-touch coatings to texturing and polishing, we offer a range of surface treatments to enhance both appearance and functionality, with average lead times of 3-5 days.From soft-touch coatings to texturing and polishing, we offer a range of surface treatments to enhance both appearance and functionality, with average lead times of 3-5 days.
  • Achieve precise bonding and integration between different materials, ensuring the overmold adheres accurately to the substrate.Achieve precise bonding and integration between different materials, ensuring the overmold adheres accurately to the substrate.

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Trusted by Engineers and Purchasing Leaders at the World’s Most Successful Companies

Overmolding

LS provides top-tier overmolding services, offering advanced solutions for combining multiple materials into a single component, enhancing both functionality and aesthetics. Our ISO 9001:2015 certification and cutting-edge machinery ensure high precision, superior adhesion, and exceptional durability in every overmolded part we produce. Whether you're working on complex product designs or custom applications, our experienced engineers guide you through the material selection process, ensuring optimal compatibility and performance. From rapid prototyping to high-volume production, we deliver efficient, cost-effective, and high-quality overmolding solutions tailored to your specific project requirements.
overmolding

Service

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Product Showcase

Our overmolding services seamlessly bond two or more materials to create functional, multi-layered parts. Each overmolded component is engineered for enhanced grip, durability, and aesthetic appeal, providing superior performance in demanding applications.

Tolerances

LS offers precision overmolding services, combining multiple materials with tolerances ranging from ±0.01 mm to ±0.05 mm. This ensures seamless bonding between layers, delivering enhanced product functionality and durability while meeting strict industry precision standards.

Feature

Description

  • Maximum Part Size

    1200×1000×500 mm

  • Minimum Part Size

    5×5×5 mm

  • Part to Part Repeatability

    +/- 0.1 mm

  • Mold Cavities

    Single-cavity molds, multi-cavity molds, family molds

  • Available Mold Types

    Steel and aluminum molds. Production levels below 1000, 5000, 30000, and over 100000 uses

  • Mold Cavity Tolerances

    +/- 0.05 mm

  • Secondary Operations

    Mold texturing, pad printing, laser engraving, threaded inserts, and basic assembly

  • Undercuts

    Y-type, L-type undercuts

  • Wall Thickness

    0.5 mm to 5 mm

  • Draft

    0.5° to 2°

  • Ribs/Gussets

    0.5 mm to 3 mm thick

  • Bosses

    Diameter 3 mm to 10 mm

  • Production Options

    Domestic and international

  • Lead Time

    Starts at 5 business days, including fast quote responses with design-for-manufacturing (DFM) feedback

  • Materials

    Most plastics, including custom sourcing and matching; see materials list below

  • Machines Available

    Single, multi-cavity, and family molds; 50 to 1,100+ press tonnage; side actions including hand-loaded cores.

  • Inspection and Certification Options

    Includes FAI and PPAP. ISO 9001, AS9100, ISO 13485, UL, ITAR, and ISO 7 and 8 Medical Clean Room molding.

  • Tool Ownership

    Customer-owned with mold maintenance

  • Standard Lead Time

    3 Business days

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Ready to elevate your product with advanced overmolding solutions? Contact us today for a free quote!

Material Selection

Our overmolding services utilize a wide range of materials to achieve a perfect bond between the substrate and the overmolded layer. We carefully select materials that ensure excellent adhesion, durability, and performance under various conditions, including flexibility, impact resistance, and chemical compatibility.

Metals

  • Titanium
  • Steel
  • Stainless Steel
  • Magnesium
  • Zinc Alloy
  • Chromium-Nickel Alloy
  • Brass
  • Copper
  • Aluminum
  • Bronze
  • Cold Rolled Steel
  • Nickel
  • Silver-Tin Oxide
  • Cast Iron
Titanium

Titanium is known for high strength, low weight, and corrosion resistance. We process grades like Ti-6Al-4V, Ti-5Al-2.5Sn, Ti-6Al-4V ELI, and Ti-Grade 2, which are widely used in aerospace, medical implants, and sports equipment.

Plastics

  • HDPE
  • PP
  • PE
  • PET
  • PMMA
  • POM
  • PPS
  • PVC
  • FR-4
  • PEEK
  • ABS
  • PC
  • PA
  • HIPS
  • LDPE
  • PBT
  • PPA
  • PAI
  • PS
  • PTFE (Teflon)
  • UPE
  • Bakelite
HDPE

HDPE offers high strength and resistance to impact and chemicals. We support its use in containers, piping, and geomembranes

We offer customization based on your specific material requirements, if you need a material not listed here, our team can source and process ito meet your exact needs

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These are just a few examples of the materials we work with. lf you have a specific material requirement, please contact us to discuss your needs.

Surface Finishing

Surface finishing plays a vital role in overmolding, enhancing the bond between materials and improving the final product’s durability and aesthetics. We provide various finishing options, including polishing and coating, to ensure superior surface quality and performance.

  • Anodizing Glossy

    AnodizingGlossy

    Anodizing Type I creates a protective oxide layer on aluminum, providing resistance to corrosion and wear.

  • Bead Blasting

    BeadBlasting

    A process that uses a stream of air to propel fine media particles to clean, smooth, or texture a surface.

  • Black Oxidize

    BlackOxidize

    Black oxide is a conversion coating that offers minimal corrosion protection and is used for appearance.

  • BleadBlasting + Black Anodizing

    BleadBlastingBlackAnodizing

    A process that uses a stream of air to propel fine media particles to clean, smooth, or texture a surface.

  • Brush

    Brush

    Brushing creates a satin-like texture on metal surfaces, enhancing their appearance and reducing reflections.

  • Anodize Type II (Glossy, Matte)

    AnodizeTypeII

    Anodizing Type II creates a protective oxide layer on aluminum, providing resistance to corrosion and wear.

  • Gold Chromate

    GoldChromate

    Chrome plating provides a bright, mirror-like finish and enhances wear and corrosion resistance.

  • Polish + Black Anodize

    PolishBlackAnodize

    Polishing enhances the surface finish and luster of metals by removing scratches and imperfections.

  • Polish + Clear Anodize

    PolishClearAnodize

    Polishing enhances the surface finish and luster of metals by removing scratches and imperfections.

  • Vapor Polish

    VaporPolish

    Vapor polishing is a technique to improve the transparency and smoothness of plastic components.

  • White Powder Coating - Flat

    WhitePowderCoatingFlat

    Powder coating provides a durable and high-quality finish that enhances the appearance and corrosion resistance of metals.

  • Zinc Plating

    ZincPlating

    Zinc plating applies a protective zinc layer to steel or iron, enhancing corrosion resistance.

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These are just a few of the surface finishing options we offer. lf you have a specific requirement, please reach out to us to discuss the best solution for your project.

Advantages & Features

Our overmolding services deliver advanced solutions for creating multi-material components with precision and durability. LongSheng offers high-quality overmolding that enhances product functionality and aesthetic appeal. Here's why we are your ideal choice for overmolding.

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Seamless Bonding Between Materials

Seamless Bonding Between Materials

Our overmolding technology enables flawless bonding between different materials, such as combining soft thermoplastics over hard substrates. This process enhances product durability and provides ergonomic benefits, particularly in consumer products, electronics, and automotive applications.

Enhanced Product Functionality

Enhanced Product Functionality

Overmolding allows us to create multi-functional parts by combining different materials in a single product. This integration leads to improved grip, insulation, and shock resistance, making it ideal for high-performance applications.

Fast Lead Times

Fast Lead Times

With our streamlined overmolding processes, we can significantly reduce production times while maintaining top-notch quality. Typical lead times for overmolding projects range from 2-4 weeks, keeping your production on schedule.

Wide Range of Material Combinations

Wide Range of Material Combinations

We offer a wide variety of material combinations to meet your specific project needs, from soft rubber-like materials over rigid plastics to metal overmolding. This versatility makes overmolding suitable for a wide range of industries, including medical, automotive, and consumer goods.

Scalability from Prototypes to Full Production

Scalability from Prototypes to Full Production

Our overmolding services are scalable to support both small prototype runs and large-volume production. Whether you need 100 or 100,000+ units, we have the capacity to deliver your parts with precision and consistency.

Comprehensive Quality Assurance

Comprehensive Quality Assurance

Our rigorous quality assurance processes include in-process inspections and final evaluations to ensure that every overmolded part meets the highest standards. We use advanced testing equipment to guarantee product performance and longevity, backed by our ISO 9001,ISO 14001,IATF 16949 and AS9100D Certification.

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Choose LS for your overmolding needs and take advantage of our expertise in multi-material manufacturing, precision processes, and quality commitment. Contact us today to get an instant quote.

Case Studies

Our overmolding solutions have been successfully applied in various industries. Below are some examples that demonstrate our ability to deliver high-quality, multi-material overmolded components tailored to specific industry needs:

Consumer Electronics Industry

Consumer Electronics Industry

Medical Devices Industry

Medical Devices Industry

Power Tools Industry

Power Tools Industry

Automotive Industry

Automotive Industry

Home Appliances Industry

Home Appliances Industry

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These case studies highlight our expertise in delivering high-quality overmolding solutions across various industries. Contact us today to discuss your specific overmolding requirements and how we can support your project.

Quality Control

At LS Manufacturing, quality is our top priority. We implement rigorous quality control measures throughout the entire Overmolding process to ensure that every part meets the highest standards of precision and reliability. Our comprehensive quality assurance system includes advanced inspection tools and techniques to maintain consistency and excellence in our products.

In-Process Inspections

Our quality control begins with in-process inspections, where each part is checked at various stages of production to ensure adherence to design specifications. This proactive approach helps identify and correct any issues early in the manufacturing process.

Final Inspections

Before any part leaves our facility, it undergoes a thorough final inspection to verify its quality and precision. We use advanced measurement tools and techniques to ensure that each part meets the required specifications and standards.

Precision Measurement Tools

We employ a variety of precision measurement tools, including Coordinate Measuring Machines (CMM) and specialized gauges, to ensure that insert placement and bonding meet exact specifications. These tools allow us to maintain tight tolerances and high accuracy, resulting in reliable insert-molded components.

ISO 9001,ISO 14001,IATF 16949 and AS9100D Certification

Our commitment to quality is demonstrated by our ISO 9001,ISO 14001,IATF 16949 and AS9100D Certification. This international standard ensures that our quality management system is effective and continuously improving, providing our customers with consistent, high-quality products.

Continuous Improvement

We believe in continuous improvement and regularly review our processes and practices to identify areas for enhancement. By investing in the latest technologies and training for our staff, we strive to maintain our reputation for quality and innovation.

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Choose LS Manufacturing for your Overmolding needs and experience our commitment to quality through our rigorous quality control processes. Contact us today to discuss your project and see how we can help you achieve your goals.

Need Assistance? We're Here for You.

If you have any questions or need assistance, our team is ready to provide support 24/7. Reach out to us through any of the methods below.

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We understand that you may have questions about our Overmolding services. Here are some of the most frequently asked questions and their answers to help you better understand our capabilities and processes. If you need further assistance, our team is always ready to help.

Overmolding is a process where one material is molded over another material, typically to create a part with multiple layers or textures. This process is commonly used to combine different materials such as rubber and plastic for enhanced functionality.

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If you have any other questions or need further information, please do not hesitate to contact us. Our team is here to help you with all your Overmolding needs.

Customer Testimonials

At LS, we take pride in delivering precise and reliable Overmolding solutions. Here’s what some of our clients have to say about their experience working with us:

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LongSheng’s overmolding services helped us create durable and aesthetically appealing components for our automotive interiors. The combination of different materials was flawless, and their expertise ensured that every part met our exacting standards.

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John Davis
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Automotive Solutions Inc.
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The precision and quality of LongSheng’s overmolding services were essential for the production of our medical devices. Their ability to seamlessly bond different materials improved both the functionality and appearance of our products. Highly recommended.

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Jane Thompson
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MedTech Devices
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LongSheng delivered outstanding overmolding solutions for our electronic components. Their ability to integrate soft and hard materials enhanced the product’s durability and user experience. The parts were delivered on time and exceeded our quality expectations.

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Michael Lee
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Innovative Electronics
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Working with LongSheng for our overmolding needs was a great experience. Their attention to detail ensured that the molded parts had perfect adhesion between materials, making them ideal for our high-performance products. The team was highly professional and efficient.

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Emily Chen
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Precision Plastics Ltd.
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The overmolding services from LongSheng enabled us to produce highly durable and reliable industrial parts. Their expertise in bonding different materials under tight tolerances was crucial for the success of our equipment. LongSheng is a trusted partner in our production process.

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David Wong
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Industrial Components Co.
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These testimonials reflect our commitment to excellence and customer satisfaction. Join our list of satisfied customers by choosing LS Manufacturing for your Overmolding needs. Contact us today to discuss your project and get an instant quote.

Latest News

Stay updated with the latest news and announcements from LS Manufacturing. Explore our latest articles below.

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