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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.
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.
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ISO 9001:2015,ISO 13485:2016,AS9100D and lATF 16949:2016 Certified
Trusted by Engineers and Purchasing Leaders at the World’s Most Successful Companies
Overmolding
Service
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
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 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 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
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
Anodizing Type I creates a protective oxide layer on aluminum, providing resistance to corrosion and wear.
Bead Blasting
A process that uses a stream of air to propel fine media particles to clean, smooth, or texture a surface.
Black Oxidize
Black oxide is a conversion coating that offers minimal corrosion protection and is used for appearance.
BleadBlasting + Black Anodizing
A process that uses a stream of air to propel fine media particles to clean, smooth, or texture a surface.
Brush
Brushing creates a satin-like texture on metal surfaces, enhancing their appearance and reducing reflections.
Anodize Type II (Glossy, Matte)
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Anodizing Type II creates a protective oxide layer on aluminum, providing resistance to corrosion and wear.
Gold Chromate
Chrome plating provides a bright, mirror-like finish and enhances wear and corrosion resistance.
Polish + Black Anodize
Polishing enhances the surface finish and luster of metals by removing scratches and imperfections.
Polish + Clear Anodize
Polishing enhances the surface finish and luster of metals by removing scratches and imperfections.
Vapor Polish
Vapor polishing is a technique to improve the transparency and smoothness of plastic components.
White Powder Coating - Flat
Powder coating provides a durable and high-quality finish that enhances the appearance and corrosion resistance of metals.
Zinc Plating
Zinc plating applies a protective zinc layer to steel or iron, enhancing corrosion resistance.
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.
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
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
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
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
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
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.
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
Project Background:A global electronics brand required overmolded housings for a new range of wear-resistant, waterproof smart devices.
Challenge: The housings needed to seamlessly integrate soft-touch materials over rigid plastics, ensuring durability, comfort, and water resistance.
Solution: We applied advanced overmolding techniques, combining thermoplastic elastomers (TPE) with engineered plastics, to create ergonomic, durable, and waterproof housings.
Results: The overmolded housings met all design and performance specifications, contributing to the successful launch of the new smart devices with positive user feedback.
Medical Devices Industry
Project Background:A medical device manufacturer needed biocompatible overmolded handles for a range of surgical instruments.
Challenge: The overmolding process required precise control to ensure a secure bond between medical-grade silicone and the rigid base material, while meeting stringent cleanliness standards.
Solution: We used medical-grade materials in our overmolding process, ensuring biocompatibility and a strong bond between the soft silicone and rigid plastic, creating ergonomic and sterilizable handles.
Results: The overmolded handles performed well in clinical settings, meeting all regulatory requirements and providing comfort and precision during surgical procedures.
Power Tools Industry
Project Background:A leading power tools manufacturer required durable overmolded grips for a new range of heavy-duty drills.
Challenge: The grips had to combine hard plastic for structural integrity with soft overmolded materials to provide comfort and reduce vibration during extended use.
Solution: We applied overmolding techniques to fuse rubber-like materials with rigid plastics, resulting in durable, shock-absorbing grips that enhanced user comfort and tool performance.
Results: The overmolded grips contributed to a successful product launch, improving tool ergonomics and receiving positive feedback from professional users.
Automotive Industry
Project Background:An automotive parts supplier required overmolded components for interior and exterior vehicle parts, providing a combination of durability and aesthetic appeal.
Challenge: The components had to maintain their appearance and performance in extreme temperatures and under mechanical stress, all while providing a soft-touch surface.
Solution: We engineered overmolded parts using advanced material combinations, ensuring both durability and a premium look, while meeting the demanding requirements of the automotive industry.
Results: The overmolded components performed well under tough conditions, contributing to the vehicle's overall aesthetics and functional reliability.
Home Appliances Industry
Project Background:A home appliances manufacturer needed overmolded control panels with both rigid and soft-touch areas for a new line of kitchen appliances.
Challenge: The control panels required a combination of rigid plastics for structure and soft-touch materials for user interaction, withstanding frequent usage and cleaning.
Solution: We used advanced overmolding techniques to produce control panels with integrated soft-touch surfaces and durable structure, ensuring long-term performance in the kitchen environment.
Results: The overmolded control panels contributed to the kitchen appliances' sleek design, improving user experience and enhancing durability through repeated use.
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.
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.
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.
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:
Latest News
Stay updated with the latest news and announcements from LS Manufacturing. Explore our latest articles below.
