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Large Profile Extrusions Available from Bellofram Elastomers
Large Profile Extrusions
Large Silicone Extrusions
Large Profile Extrusions Made in the USA
Bellofram Elastomers manufactures custom large profile extrusions up to 3.5” OD in the USA, producing everything from simple cords and tubing to complex profile extrusions engineered for demanding operating environments. These large silicone and rubber extrusions provide engineers with greater design flexibility while helping reduce assembly complexity and improve long-term sealing performance. Our in-house compounding, extrusion, and finishing capabilities help ensure consistent quality from prototype through production.
What Are Large Profile Extrusions?
Large profile extrusions are custom rubber or silicone extrusion profiles manufactured in larger cross-sectional sizes than traditional extrusions. They are commonly used in applications requiring oversized seals, environmental protection, vibration isolation, thermal barriers, or complex sealing geometries where standard extrusion profiles are insufficient.
Key Takeaways
- Bellofram Elastomers manufactures custom large profile extrusions up to 3.5” OD in the USA.
- Large profiles can reduce assembly complexity and eliminate multiple smaller sealing components.
- We produce solid silicone, silicone sponge, EPDM, neoprene, and other custom elastomer extrusions.
- Profile extrusions are available in custom shapes, colors, densities, and material formulations to meet unique sealing and environmental requirements.
- Materials can be formulated to meet requirements including UL 94 V-0, UL HB, NSF, ANSI 51, BMS 1-23, and BMS 1-60.
- Applications include transportation, industrial equipment, HVAC, lighting, electronics, and more.
What Makes Large Profile Extrusions Different?
Standard extrusion profiles work well for many sealing applications, but some designs require larger cross-sections, more compression, or greater structural support. Large profile extrusions are engineered to provide these capabilities while maintaining flexibility, resilience, and long-term sealing performance.
| BENEFIT | WHY IT MATTERS |
|---|---|
| Reduced Assembly Complexity | Allows a single extrusion profile to replace multiple smaller sealing components, simplifying installation and reducing assembly time. |
| Improved Sealing Performance | Provides greater compression and environmental protection for oversized openings, doors, panels, and enclosures. |
| Fewer Leak Paths | Minimizes joints and connection points that can compromise sealing performance and increase maintenance requirements. |
| Custom Design Flexibility | Supports complex cross-sectional geometries tailored to unique application requirements and installation constraints. |
| Lightweight Sealing Solution | Provides effective sealing for large configurations without significantly increasing system weight. |
| Excellent Thermal Stability | Maintains performance in applications exposed to elevated temperatures, thermal cycling, and harsh environments. |
| Long-Term Resilience | Designed to withstand repeated compression, vibration, and environmental exposure while maintaining sealing effectiveness. |
| Lower Total System Cost | Can reduce part counts, simplify installation, and minimize maintenance over the life of the application. |
Bellofram Elastomers Large Silicone Extrusion Capabilities
Bellofram Elastomers manufactures large profile extrusions using a variety of elastomer materials and profile configurations.
| PROFILE TYPE | EXAMPLES |
|---|---|
| Tubing | Solid or sponge hollow tubes |
| Cord | Solid or sponge round cord |
| Rectangular Profiles | Solid or sponge rectangles and strips |
| Custom Profiles | Solid or sponge profiles engineered to customer specifications |
Additional capabilities include:
- Profile extrusions in soft, medium, firm, and extra firm densities.
- Extrusions made from closed cell silicone sponge, solid silicone, EPDM, neoprene, and other elastomer options.
- Custom materials for industry-specific standards such as UL 94 V-0, UL HB, NSF, ANSI 51, BMS 1-23, BMS 1-60, and many others.
Common Applications for Large Profile Extrusions
Large profile extrusions are used across a wide range of industries where standard extrusion sizes are insufficient.
| INDUSTRY | TYPICAL APPLICATION | WHY LARGE PROFILES ARE USED |
|---|---|---|
| Transportation | Vehicle doors, access panels, equipment housings | Provides large-area environmental sealing and vibration isolation |
| Industrial Equipment | Large machinery enclosures and access doors | Helps protect equipment from dust, moisture, and contaminants |
| HVAC Systems | Air handling units, ductwork, equipment panels | Improves energy efficiency and environmental sealing |
| Electrical Enclosures | Control cabinets and outdoor enclosures | Provides weather resistance and environmental protection |
| Infrastructure | Protective barriers, access doors, utility enclosures | Accommodates larger gaps and demanding outdoor conditions |
| Lighting Systems | Large LED housings and architectural lighting | Protects sensitive components from moisture and debris |
| Renewable Energy | Battery storage systems and equipment housings | Provides durable sealing in challenging environmental conditions |
| General Manufacturing | Custom equipment and fabricated assemblies | Allows engineers greater flexibility when designing large sealing systems |
When Should You Use a Large Profile Extrusion?
A large profile extrusion may be the right solution when:
- Standard profiles cannot provide adequate compression.
- Large gaps must be sealed.
- Environmental protection requirements are demanding.
- Multiple smaller sealing components can be consolidated into a single profile.
- Custom geometry is needed to simplify assembly or improve performance.
In many cases, large profile extrusions can improve reliability while reducing installation complexity and long-term maintenance requirements.
Why Engineers Choose Bellofram Elastomers
Bellofram Elastomers provides customers with a single-source partner for custom silicone extrusion manufacturing.
- Large profile extrusions up to 3.5 inches OD
- Made in USA manufacturing
- Custom profile development
- In-house compounding expertise
- Prototype through production support
- Technical material selection assistance
- ISO 9001:2015 and AS9100D certified manufacturing
- Scalable production capacity
By combining engineering expertise with advanced manufacturing capabilities, Bellofram Elastomers helps customers reduce complexity, shorten lead times, and improve product performance.
Frequently Asked Questions About Large Profile Extrusions
What is a large profile extrusion?
A large profile extrusion is a custom rubber or silicone extrusion manufactured in a larger cross-sectional size than a standard extrusion profile. Large profile extrusions are commonly used for oversized sealing, gasketing, vibration isolation, environmental protection, and applications requiring larger configurations.
How large can Bellofram Elastomers extrusions be?
Bellofram Elastomers manufactures large profile extrusions up to 3.5 inches OD, making them suitable for applications that require larger sealing surfaces, oversized profiles, or custom extrusion geometries.
What materials are available for large profile extrusions?
Large profile extrusions can be manufactured from silicone sponge, solid silicone, EPDM, neoprene, and other custom elastomer compounds. Material selection depends on the application’s temperature, compression, environmental exposure, chemical resistance, and sealing requirements.
What shapes can large profile extrusions be made in?
Large profile extrusions can be manufactured in custom shapes such as D-profiles, P-profiles, double-P profiles, U-channels, hollow profiles, solid profiles, and other rubber extrusion shapes designed to fit specific sealing or cushioning applications.
What industries use large profile extrusions?
Large profile extrusions are commonly used in transportation, industrial equipment, HVAC systems, electrical enclosures, infrastructure, lighting systems, renewable energy, and general manufacturing applications that require larger sealing configurations.
Why use a large profile extrusion instead of multiple smaller seals?
A large profile extrusion can reduce assembly complexity, eliminate unnecessary joints, minimize potential leak paths, and improve sealing performance. In many applications, one custom large extrusion can replace multiple smaller sealing components.
Are large profile extrusions lightweight?
Yes. Depending on the material and profile design, large profile extrusions can provide lightweight sealing performance for oversized configurations. Silicone sponge and other cellular elastomer profiles are especially useful when compression and weight reduction are important.
Can large profile extrusions handle harsh environments?
Yes. Large profile extrusions can be designed for harsh environments using materials selected for UV resistance, ozone resistance, thermal stability, moisture resistance, chemical compatibility, and long-term resilience.
Are Bellofram Elastomers large profile extrusions made in the USA?
Yes. Bellofram Elastomers manufactures custom large profile extrusions in Newell, West Virginia, providing U.S.-based production, technical support, and prototype through production capabilities.
Can Bellofram Elastomers develop custom large profile extrusion designs?
Yes. Bellofram Elastomers works with customers to develop custom large profile extrusion designs based on required geometry, material, density, durometer, compression performance, environmental exposure, and application-specific sealing needs.
Request a Quote for Large Profile Extrusions
There are several silicone extrusion companies in the U.S., but in choosing Bellofram Elastomers you gain access to a single-source provider that reduces complexity and lead times. If you need a large profile extrusion, Bellofram Elastomers can help. Contact us today to learn more about our custom extrusion services and how we can help you with your project!