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Custom Silicone Extrusion Experts: Bellofram Elastomers

February 11, 2026

Custom Silicone Extrusion

At Bellofram Elastomers, we specialize in custom silicone extrusion solutions that are engineered for optimal reliability, precision, and performance. Our U.S.-based manufacturing team excels in formulating, extruding, and finishing complex rubber extrusion shapes and profiles. We ensure tight control and repeatable quality from prototype to production. Whether you require silicone rubber extrusion for small seals or large extrusions for challenging environments, we provide the ideal material, geometry, and process to meet your specific needs.

Why Choose Bellofram for Custom Silicone Extrusions?

Expertise in compounding and processing silicone and other elastomers.
Specialty grades designed for resistance to heat, chemicals, and UV exposure.
Custom silicone extrusion matched to your application needs, balancing durometer, tear strength, and durability.
Collaborative approach for optimizing specifications and tolerances.
In-house capabilities for dependable lead times and strict process controls.
Tailored solutions for unique profile extrusions, colors, densities, and specifications.

Silicone Extrusion Capabilities

Our capabilities include producing a wide range of shapes and sizes:

Solid and hollow tubes, cords, rectangles, U-channels, P- , double-P, E-, T- and D-profiles, and other rubber extrusion shapes.
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.
Large extrusions supporting up to 3.5-inch OD for heavy-duty applications.
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.

Custom Silicone Rubber Extrusion Applications

Automotive: underhood systems, high-cycle mechanisms.
Aerospace: temperature-resistant seals, vibration-resistant components.
Industrial Equipment: sealing, isolation, and insulation.
Converters: uniform profile extrusions for downstream fabrication.
General: doors and hatches, enclosures, HVAC, lighting, and electronic assemblies.

Silicone’s properties—flexibility, ozone and UV resistance, chemical resilience—make it ideal for applications in a variety of industries and environments.

Selecting Trusted Silicone Extrusion Companies

Evaluate based on in-house capabilities, application expertise, and material certifications.
Look for scalability, traceability, and proven control over compound creation, selection, and quality systems.
Dependable prototype-to-production transitions are critical.
From standard to large-profile extrusions, choose a partner that will get you exactly what you need.

Bellofram Elastomers offers consistent quality and technical support. Our U.S. manufacturing minimizes risks through stable processes, rigorous inspection, and collaborative efforts, ensuring reliable product delivery to market.

Benefits of Choosing Bellofram Elastomers

At Bellofram Elastomers, we pride ourselves on offering premium performance, custom solutions, and export support. Our products are engineered to meet the highest standards, ensuring reliability even in extreme environments.

Working with us provides several benefits:

Premium Performance: Our products are designed for durability, flexibility, and resistance to harsh conditions, ensuring reliable performance in demanding applications.
Custom Solutions: We understand that every project has unique requirements. Our team works closely with you to develop tailored solutions that meet your specific needs.
Export Support: We offer comprehensive export support, ensuring our high-quality products are available to customers worldwide.

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. Our scalable production capabilities allow us to support both small prototypes and large-scale manufacturing, providing the precision, reliability, and efficiency you need for project success.