Overmolding Expertise
Overmold Express has more than 40 years of professional experience working with all overmolding technologies in multiple industries.
About us
Overmolding & More
Overmold Express is an established contract manufacturing partner providing overmolding and encapsulation services to hundreds of domestic companies.
We do more than fulfill orders, we care enough about your projects to ensure that you always find more than you need.
Get in touch40 Years of Experience
We have a proven track record of overmolding success with hundreds of clients.
Fast & Effective Solutions
From prototyping to complete production for overmolding delicate & sensitive electronic components — we do it all!
Expert Team
We have a dedicated team of manufacturing specialists to help you with any overmolding project.
Multiple Solutions
We do Low pressure Overmolding (LPO), Thermoset Overmolding (TSO), Encapsulation & Potting.
Get a quote for your project’s needs.
Get your questions answered and get a quote for a prototype, for small orders, and for large project orders. Each project is unique and we can’t wait to hear about yours.
Why us
Welcome To Overmold Express
Overmold Express excels in providing high-quality overmolding solutions, ensuring superior protection and performance for your electronics. Our advanced techniques and diverse material options guarantee durability, safety, and compliance with industry standards.
Before & After Sample
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100% Safe for Electronics
EDS safe, low-temperature & low-pressure.
Wide Range of Materials
Custom colors, skin safe, FDA approved, thermally conductive, RoHS & mil spec materials.
Hermetic Sealing
Capable of molding products that meet IP69K.
Excellent Insulating Properties
Average molding compound has a dieletric strength of 600 volts/mil.
Learn moreWhat We Do
Custom Services We Provide
Custom Colors
Choose from a wide range of custom colors to perfectly match your product design. Our precision color matching ensures a consistent and vibrant finish.
Overmolded Batteries
Enhance battery durability and performance with our overmolding solutions. We provide reliable protection against environmental factors, ensuring long-lasting usage.
LED Overmolding
Optimize your LED components with our advanced overmolding techniques. Enjoy enhanced durability and performance with superior light diffusion.
Skin Safe Materials
Utilize our skin-safe materials for applications requiring direct skin contact. Our biocompatible and hypoallergenic materials ensure safety and comfort for users.
Flexible Electronics
Incorporate flexibility into your electronics with our overmolding solutions. We provide seamless integration for high-performance and resilient products.
Thermal Management
Achieve efficient thermal management with our specialized overmolding solutions. We offer superior heat dissipation to maintain optimal operating temperatures.
Overmolded PCB Assemblies
Overmolding shields PCBs from moisture, dust, and other elements, adding robustness and resistance to impact and vibration while enhancing aesthetics with a streamlined, customized design.
Cable & Connector Overmolding
Overmolded connectors and cables enhance performance and durability, making them ideal for demanding scenarios.
Overmolded Antennas
Overmolding antennas is a common practice in electronics manufacturing. Antennas used outdoors or in harsh conditions benefit from overmolding to extend their lifespan.
Overmold Service Comparisons
| Temp. Range (Celsius) | Avg Pressure (PSI) | Avg Cycle Time | Avg Material Costs / lb | ||
| Epoxy Potting | Potting | 24 – 65 C | 0 | 1 – 8 hours | $10 |
| Low Pressure Overmolding | LPO | 200 – 240 C | 200 | 30 – 60 seconds | $17 |
| Thermoset Overmolding | TSO | 24 – 65 C | 80 | 60 – 300 seconds | $10 |
| Silicone Overmolding | LSR | 24 – 65 C | 80 | 60 – 300 seconds | $15 |
| Standard Injection Molding | IMM | 200 – 280 C | 30000 | 10 – 20 seconds | $4 |
Employees
Happy Clients
Parts Overmolded
Why Work With Us
5 Main Reasons To Choose Us
#1
Industry Experience
We have over 40 years of combined knowledge overmolding electronics, with the ability to understand your unique needs.
Multiple Overmolding Processes
We provide many different overmolding processes. We know what to recommend to help you achieve optimal product outcomes.
#2
#3
Extremely Short Lead Times
Contact us today to find out how quickly your project can be completed so you can move onto the next phase of production.
Huge Selection of Materials
We have one of the largest selections of materials for you to choose from.
#4
#5
Flexible & Responsive
Our work flow is very flexible and our staff will make the experience better every time you contact us.
