Durable, Precision-Molded Sealing Solutions
Qualiform manufactures custom rubber grommets engineered to protect, cushion, and seal components in demanding applications. Our custom molded rubber grommets are designed to fit exact specifications, delivering long-term resistance to vibration, impact, and environmental exposure. From small electronics to large industrial assemblies, we provide custom rubber grommet solutions that perform under pressure.
Where Custom Rubber Grommets Are Used
Custom rubber grommets are essential across a wide range of industries where vibration control, sealing, or protection against friction and wear is critical. These custom molded rubber grommets provide reliable performance in harsh environments, supporting applications that demand flexibility, durability, and precision fit.
Common Applications:
- Electrical & Electronics: Cable insulation, wire pass-throughs, and panel seals
- Industrial Equipment: Enclosures, vibration isolation, and precision fittings
- Aerospace & Defense: High-temperature and chemical-resistant grommets
- Plumbing & HVAC: Moisture– and pressure-resistant connectors and seals

Rubber Grommet Material Options
Qualiform engineers each custom rubber grommet using compounds tailored to its environment—whether that means extreme heat, outdoor exposure, or chemical resistance. Our material expertise ensures every component performs reliably under stress.
| Material | Best For | Key Advantages |
|---|---|---|
| EPDM Rubber | Outdoor and electrical applications | Excellent UV, ozone, and weather resistance |
| Viton® (FKM) | Chemical and high-temperature environments | Exceptional resistance to oils, fuels, and heat up to 400°F |
| Natural Rubber | Dynamic sealing and vibration isolation | High elasticity and tear strength |
| Nitrile (NBR) | Industrial and fuel system applications | Superior oil, grease, and abrasion resistance |
| Custom Compounds | Unique or demanding applications | Tailored durometer, color, and fiber-reinforced blends available |
Molding Capabilities
Qualiform manufactures custom molded rubber grommets using the process best suited to each part’s shape, volume, and performance requirements. Our full range of in-house molding capabilities—injection, compression, transfer, and rubber-to-metal bonding—ensures precision and efficiency from prototype through production.
- Injection Molding: Ideal for high-volume, precision grommets requiring tight tolerances and repeatable results.
- Compression Molding: Best for large or simple grommet designs, offering cost-effective production with excellent material efficiency.
- Transfer Molding: Perfect for bonded or insert grommet assemblies, balancing detail accuracy and part consistency.
- Rubber-to-Metal Bonding: Integrates metal components directly within the rubber, delivering strong adhesion and durability in demanding environments.
Our presses accommodate parts up to 48″ x 56″ with shot sizes reaching 20 lbs, enabling us to mold everything from small precision grommets to heavy-duty industrial components—all backed by ISO 9001:2015 certification.
Types of Rubber Grommets We Manufacture
Why Choose Qualiform
For more than four decades, Qualiform has been a trusted U.S. manufacturer of custom rubber grommets, known for precision, consistency, and responsive service. Our team combines material science expertise with advanced molding technology to deliver reliable results on every project.
- ISO 9001:2015 Certified: Proven quality control from design to final inspection.
- American-Made Manufacturing: All production performed in Wadsworth, Ohio.
- Material Expertise: EPDM, Viton®, Nitrile, and custom fiber-reinforced compounds.
- You Own Your Tooling: Full transparency and flexibility for future production.
- Fast Turnaround: 24/7 production capacity to meet tight deadlines.
- Comprehensive Support: Engineering guidance, prototyping, and testing to optimize design and performance.

