Custom Silicone Extrusions

The thermoset extrusion process pushes a flexible silicone elastomer through a die, creating a continuous uniform silicone extrusion. These extrusions may be created with a variety of cross sections and profile configurations, which makes the process useful for the high-volume, cost-effective production of seals, gaskets, tubing, and other silicone products used in a variety of applications across industries.

Silicone Extrusion Features and Benefits

While the extrusion process may be used to create a variety of silicone component types, all silicone extrusions possess these general features:

  • Biocompatibility. In general, silicone is non-toxic and non-allergenic. This nature makes it ideal for use in medical devices, as contact with human skin or tissue typically won’t cause negative reactions. 
  • Good chemical resistance. Silicone is an inert material and won’t react with most chemicals, which makes it easy to clean and good for selected process applications. However, some concentrated acids may break down silicone, so it’s important to check the compatibility of the selected material against application-specific chemicals. 
  • Excellent elastic memory. Silicone continuously strives to return to its original form after exposure to high pressures or compressive forces.
  • Great dielectric strength. Extruded silicone materials act as a good electrical insulator and won’t break down or become conductive under regular exposure to current.
  • Transparent and translucent. Extruded silicone is relatively clear, which makes it easy to color in applications with specific organizational or aesthetic needs. It also makes it well-suited for the fabrication of clear tubing.
  • Resistant to high temperatures. Most common silicone extrusions can handle temperatures as high as 500°F. 

Given the above properties, among others, silicone offers a variety of benefits:

  • Compatibility with clean-in-place process lines
  • Suitable for clean room environments
  • Good visual flow confirmation in process or medical environments
  • May be sterilized using an autoclave
  • Non-allergenic, non-thrombogenic, and low-odor

Custom Silicone Extrusion

At Vanguard Products Corporation, we have extensive experience producing extruded silicone products for myriad purposes. We can formulate custom compounds tailored specifically to the needs of a design or application, ensuring precise engineered performance with optimized costs. We can handle profiles ranging from simple to extraordinarily complex. 

Capabilities Single, co-extrusion, tri-extrusion
Extrusion process Multi-lumen, multi-durometer, multi-color, insert
Cross-section 0.010” to 3” 
Custom formulations Mechanical properties, chemical resistance, temperature resistance, electrical properties, thermal properties, color matching
Value-added services Die cutting, adhesive application, cutting, bonding, frame and O-ring fabrication, special put-ups, special packaging, PSA application
Production capabilities Low to high volumes
Lead times Calculated per project
Certifications/standards ISO 9001:2015, FDA 21CFR177.2600, NSF-51, 3A, USP-VI, Mil-Spec (ZZ-R-765, A-A 59588, AMS 3304, ASTMD2000 GE)

Silicone Rubber Extrusion Applications

Vanguard’s custom rubber seals and gaskets are used in many applications and industries throughout the world. We have vast experience in designing and manufacturing for virtually any requirement. Some of the items we commonly produce via extrusion include:

  • Aerospace seals and gaskets
  • Architectural and window seals
  • Automotive electrical enclosure seals and damping elements
  • Container seals
  • Dairy seals
  • Doors and window seals
  • Electrical connector seals
  • Electronics/electrical equipment washers and seals
  • Fiber-optic sheathes
  • Food and beverage processing equipment seals
  • Industrial and commercial food oven and cart seals and gaskets
  • Industrial louvers and HVAC equipment
  • Medical device tubing and seals
  • Military seals and gaskets
  • Outdoor cellular telecommunications enclosures
  • Outdoor electrical enclosures
  • Peristaltic tubing
  • Pharmaceutical production equipment seals
  • Plastic case seals
  • Refrigerator seals
  • Ship and aircraft seals and gaskets
  • Silo and storage tank seals
  • Water purification and filtration seals

Custom Silicone Extrusions From Vanguard Products

Vanguard uses a wide variety of quality materials to manufacture custom rubber seals and gaskets to function in an extensive range of applications, industries and specific environments. If you are not sure which material is best for you application, please contact one of our application specialists today to assist you.

At Vanguard Products, we offer highly precise, cost-efficient production of silicone extrusions from our ISO 9001:2015-certified facility located in the United States. We are a one-stop shop for extrusions in engineering elastomers, including extensive application engineering support. Visit our About Us page to find out more about the company. To see how our custom silicone extrusions can benefit your project, please contact us today.

Part Number Cross Reference For Silicone Profile Extrusions



Food Grade

  • Consistent With FDA Regulation 21CFR177.2600 For Food Contact
  • NSF-51 Certified
  • Animal Fat And Chemical Resistant
  • 3A

High Temperature

Medical Grade

  • USP-VI Compounds

MIL Spec

  • ZZ-R-765
  • A-A 59588
  • AMS 3304
  • ASTMD2000 GE

IndustrialClosed Cell SpongeDense

  • 5-90 Shore A Durometer


Food Grade

  • Consistent With FDA Regulation 21CFR177.2600 For Food Contact

IndustrialClosed Cell SpongeDense

  • 50-90 Shore A Durometer

MIL Spec

  • NBC Compliant
  • ASTMD2000 AA, BA, And CA


MIL Spec./Aerospace Grade

  • MIL-R-25988
  • AMS-R-25988
  • ASTMD200 FK

Closed Cell SpongeDense

  • 30-90 Shore A Durometer

Nitrile/NBR/Buna N Elastomer


  • 60-90 Shore A Durometer


Fluorocarbon Elastomer

DenseClosed Cell SpongeASTM D2000 HK

Chloroprene (Neoprene) Elastomer


  • 60-90 Shore A Durometer


  • Epichlorohydrin Elastomer


  • Isoprene Elastomer


  • Natural Rubber Elastomer


Isoprene Elastomer


Natural Rubber Elastomer


Epichlorohydrin Elastomer

  • ASTM D2000 BC, BE

We specialize in applications assistance to identify alternative production approaches to save cost.