Custom Silicone Products for High-Performance Applications

Engineered silicone materials for aerospace, medical, food-grade, and industrial use.

Call now to request a quote.

(844) 418-0428

Serving both large and small
silicone order sizes.

We're located in

Santa Fe Springs, California

At InterSil, we specialize in custom silicone products — formulating high-performance materials to meet the demanding standards of your industry. With decades of experience and a deep understanding of elastomer chemistry, we manufacture silicone products that perform in extreme environments, meet regulatory requirements, and help you build better products.

Featured Products

Engineered for performance. Built for your process.
At InterSil, our capabilities go beyond formulation — we deliver precision-engineered silicone products designed to meet demanding industry standards. From custom compounding to finished materials, explore how we support your manufacturing, performance, and compliance goals.

Solid Silicone Sheeting

Reliable performance across industries.
Engineered for durability and resistance to extreme conditions, our solid silicone sheets offer consistent performance in high-temperature and high-pressure environments.

Fabric Coated Silicone

Strength meets flexibility.
Reinforced with premium fabrics, these silicone sheets deliver enhanced tear resistance and dimensional stability — ideal for demanding mechanical and industrial uses.

Molded Silicone Sheets

Precision-molded, sponge or solid.
Available in both solid and sponge formulations, our molded silicone sheets are designed for complex geometries, cushioning, and sealing with excellent compressibility.

Silicone Compounds

Tailored formulations, proven results.
From high-purity medical grades to flame-retardant variants, our silicone compounds are customized to meet the unique performance specs of your application.

Custom Silicone Products

You design it. We mold it.
Whether you need a proprietary blend, an unusual shape, or specialized durometer — we develop custom silicone solutions to bring your vision to life.

Industries We Serve

Our products are trusted across a wide range of mission-critical industries.

Aerospace

Flame-resistant, low-outgassing compounds built for altitude and extremes.

Automotive

Durable materials for sealing, vibration damping, and insulation.

Construction

UV-stable, flexible silicones for sealing and weatherproofing.

Medical

Silicone formulations for safe, sterile use.

Food Grade

FDA-compliant compounds for direct-contact applications.

Military

Formulations that meet MIL-SPEC and survive harsh conditions.

Serving Customers Across the U.S.

We craft high-quality silicone products for customers across the U.S. Join the growing list of companies that trust us to deliver precision, performance, and reliability.

INTERSIL’s mission is to add a pleasing touch to everyday life by empowering people, businesses and entire industries with top-quality silicone materials and products that help us navigate the world.

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