Discover Custom Sealing Solutions
Discover Custom Sealing Solutions
Your Engineering Challenges, Solved.
Facing a sealing dilemma in your latest project? Searching for a solution that meets your specific needs? Sealing Devices Inc. is here to turn those challenges into triumphs – for free.
Why Choose Sealing Devices?
At Sealing Devices Inc., we believe in creating solutions that are as unique as your problems. With decades of expertise in engineering high-performance sealing technologies, we’re not just vendors; we’re your partners in innovation. At Design-2-Part shows, we’re offering exclusive, complimentary solutions consultations to help you overcome your engineering obstacles.
How Does It Work?
1. Contact Us Today: You don’t have to wait for the next D2P show to get in touch! Contact us today and our experts will be ready to assist you with your project.
2. Send Us Your Challenge: Have a specific issue in mind? Email us with your problem and any relevant documentation before the next show. We’ll prepare tailored solutions, just for you.
3. Meet Us at Design-2-Part: Prefer to discuss in person? Bring your challenge directly to our booth at the next show. Our team will work with you on-the-spot to troubleshoot and find the answers you need.
Quick Links: Helpful Resources
Keep these resources nearby:
New from our Suppliers
W.L. Gore’s Industrial AVP series Acoustic Vent Products
Key highlights include:
- Superior acoustic performance
- Versatile sizing, even for small components
- Reliable defense against water, dust, and other elements
- Capable of withstanding 2 meters underwater for an hour
- Handles water sprays of up to 26 gallons per minute from 8 ft away
- Silicone-based adhesive for added strength in extreme temperatures

Parker Chomerics SOFT-SHIELD 3800
Learn about Parker Chomerics SOFT-SHIELD 3800, the electrically conductive fabric over silicone foam EMI shielding and electrical grounding gasket that’s taking the industry by storm!
With complex and unique non-rectangular shapes, this gasket is an extension of Parker Chomeric’s popular SOFT-SHIELD 3700 product.
And, it’s an ideal solution for applications exposed to high temperatures where a UL 94 V-0 requirement exists.
VIDEO: BRAND NEW! GORE® Thermal Insulation Crayon Demonstration
GORE® knows how to beat the heat! Check it out for yourself — crayons — with and without GORE Thermal Insulation — melting at different rates.
READ MORE about how GORE® is meeting growing thermal challenges in electronic devices using GORE® thermal insulation.
WATCH: GORE® Protective Vents in Action
Learn how versatile GORE® Vents are and how they are used industrial vehicles, oudoor lighting and outdoor electronics.
Click each video below to learn more.
The Latest
Sealing Devices Achieves AS9100D / ISO 9001:2015 Certification
Sealing Devices has once again achieved the prestigious AS9100D / ISO 9001:2015 certification, valid until August 6, 2027. The certification demonstrates Sealing Devices’ dedication to excellence and ongoing enhancement in delivering reliable products and services, encompassing the company’s roles as a value-added stocking distributor, molded rubber manufacturer, and custom fabricator of gaskets, assemblies, and sealing products, serving industries such as transportation, aerospace, defense, communications, and general industrial markets.
Advantages of Form-In-Place Gasketing
Form-In-Place gasketing can be a great solution for customers that are tight on space, require high levels of EMI shielding, or need a complex gasket path.
Quality System
As a supplier to the leading companies in many strictly regulated industries, Sealing Devices is committed to providing only the highest-quality parts to all of our customers. In fact, quality is integrated in our company’s CORE values: the O stands for “Outstanding...
Rubber Molding: 101
Application and Design Understanding the purpose of a seal or part is critical to getting it right the first time. Seals have specific application requirements including the conditions like the temperature, pressure, and fluid compatibility. It also includes things...
Cutting Methods: Die-Less Cutting
What is Die-Less Cutting? In our previous blog, we discussed the topic of die-cutting. This process uses a predesigned-die / tool to cut sheet material into a specific shape, quite literally a cookie-cutter approach. Sealing Devices offers several different...
Cutting Methods: Die Cut Gaskets
What is Die Cutting? You might be wondering what die-cut gaskets are exactly and how can they work for your application. Die cut gaskets function as a seal between two mating surfaces, filling imperfections and solving design flaws. The die cutting process uses a...

About Us
Sealing Devices is a premier North American manufacturer of gaskets offering a variety of different methods to produce gasket products. Our manufacturing facility includes over 200-pieces of equipment and in-house tooling and die-making, which allow us to make gaskets from commercial and mil-spec rubber, compressed sheet gaskets, cloth inserted gaskets, paper, fabric, felt and most any other material with quick cut options.
Our Suppliers






Superior Seals
Exceptional Service
Established Supplier relationships
for 60+ years
See what our Suppliers and Customers
are saying about working with us.
Why Sealing Devices
Since 1963, Sealing Devices has been a proud manufacturer, fabricator, and distributor of O-Rings, gaskets, EMI shielding, and thermal interface materials, custom molded rubber parts, protective vents, tapes, adhesives, and sealants for all types of sealing applications. We offer a one-stop shop for all of your seal and gasket needs:
- Applications Engineering Support
- One-to-One Customer Service Representation
- Vendor Managed Inventory
- State-Of-The-Art Quality Systems
- In-House Tooling and Machining Centers
- Experience with Most Sealing Materials