R&R Rubber Molding Inc.
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Submit Your Specs

Custom Elastomer and Composite Solutions Since 1977 Trusted by OEM and Tier 1 & 2 suppliers worldwide for precision-molded aerospace & defense quality, and long-term reliability. Serving Critical Industries With Custom Rubber & Elastomer Components Trusted by OEM and Tier 1 & 2 suppliers worldwide for precision-molded aerospace & defense quality, and long-term reliability. Precision-Molded Elastomer Component Made To Your Specifications From prototyping to high-volume production, we deliver custom-molded parts with the certifications, consistency, and reliability our customers depend on. Often Invisible. Always Critical. The appearance of U.S. Department of Defense (DoW) visual information does not imply or constitute DoW endorsement. Request A Quote Serving Critical Industries With Custom Rubber & Elastomer Components Trusted by OEM and Tier 1 & 2 suppliers worldwide for precision-molded aerospace & defense quality, and long-term reliability. Explore Industries The appearance of U.S. Department of Defense (DoW) visual information does not imply or constitute DoW endorsement. Precision-Molded Elastomer Component Made To Your Specifications From prototyping to high-volume production, we deliver custom-molded parts with the certifications, consistency, and reliability our customers depend on. Explore Our Process The appearance of U.S. Department of Defense (DoW) visual information does not imply or constitute DoW endorsement. Video Courtesy of NASA. The appearance of NASA visuals does not imply or constitute NASA endorsement.
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About US

Your partner for quality Precision-Molded Elastomer and Composite Components

Proudly made in the USA for nearly 50 years

We manufacture custom rubber and elastomer parts – from seals and gaskets to complex aerospace and defense components, with certifications that meet the strictest industry standards.

Request A Quote
About US

Your partner for quality Precision-Molded Elastomer and Composite Components

Proudly made in the USA for nearly 50 years

We manufacture custom rubber and elastomer parts – from seals and gaskets to complex aerospace and defense components, with certifications that meet the strictest industry standards.

Request A Quote
Our Process

Decades of Expertise, Certified for Critical Industries​

Since 1977, R&R Rubber has delivered precision-molded components to OEMs and Tier 1 and 2 suppliers across aerospace, defense, oil & gas, and industrial manufacturing. With AS9100D / ISO 9001:2015, ITAR registration, and CMMC Level 1 Compliant, with Level 2 in process, we combine deep technical expertise with the responsiveness and care of a dedicated partner.

Comprehensive Capabilities

Injection, transfer, and compression molding, bonding and extrusion. From micro components to oversized parts, produced to meet tight tolerances and critical performance requirements.

Quality Custom Production

Every custom sealing component is built to your exact specifications. From rapid prototyping to multi-million-piece production, we can deliver precision at any scale.

Certified Industry Expertise

AS9100D, ISO 9001:2015, ITAR registered, and CMMC Level 1 compliant (Level 2 in process). Serving aerospace, defense, oil & gas, and industrial OEMs meeting DFARS and other regulatory standards.

Global Capacity, U.S. Reliability

U.S.-based production supported by trusted partners in four other countries. Scalable supply chain with the consistency, quality systems, and responsiveness of a dedicated domestic team.
Industries We Serve

Supporting Critical Industries with Certified Elastomer and Composite Manufacturing

Aerospace

AS9100D-certified molding for seals, gaskets, and precision elastomer parts engineered to meet critical aerospace specifications.

Oil and Gas

High-performance elastomer seals and gaskets built to withstand extreme chemicals, pressure, and temperature in demanding environments.

Defense

ITAR-registered and CMMC Level 1 compliant, with level 2 in process. Custom-molded components for military platforms, systems, and mission-critical gear.

Food & Beverage

FDA-compliant and NSF-grade elastomers. Parts engineered for safety in heat, sanitation, and continuous production cycles.

Industrial & Manufacturing

Durable custom elastomer components designed for heavy-duty applications, exposure to the elements, and long service life.
Explore All Industries We Serve
Industries We Serve

Supporting Critical Industries with Certified Elastomer and Composite Manufacturing

Aerospace

AS9100D-certified molding for seals, gaskets, and precision elastomer parts engineered to meet critical aerospace specifications.

Oil and Gas

High-performance elastomer seals and gaskets built to withstand extreme chemicals, pressure, and temperature in demanding environments.

Defense

ITAR-registered and CMMC Level 1 compliant, with level 2 in process. Custom-molded components for military platforms, systems, and mission-critical gear.

Food & Beverage

FDA-compliant and NSF-grade elastomers. Parts engineered for safety in heat, sanitation, and continuous production cycles.

Industrial & Manufacturing

Durable custom elastomer components designed for heavy-duty applications, exposure to the elements, and long service life.
Explore All Industries We Serve

We are always open to applying our expertise to new industries as well. If your sector requires custom rubber solutions, we are eager to collaborate and exercise all of our available resources.

Request A Quote

We are always open to applying our expertise to new industries as well. If your sector requires custom rubber solutions, we are eager to collaborate and exercise all of our available resources.

Request A Quote
Quality Products

Custom-Molded Elastomer and Composite Components – Built for Critical Applications

Manufactured to your specifications, with the certifications and consistency trusted by OEMs worldwide. Scroll to see all our high-quality products.

rubber to metal

Rubber-to-Metal Bonded Parts

We specialize in rubber-to-metal bonded parts, like seals, inserts, isolators, and diaphragms, for durable, high-performance industrial applications.
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rubber diaphragms

Custom Rubber Diaphragms

Assorted options like flat, convoluted, or reinforced, for pressure control and sealing, with options like beads, molded edges, and bonded inserts.
Learn More
orings

O-Rings & Precision Seals

We manufacture custom and standard O-rings, X-rings, and elastomeric seals in any size or shape, including AS568 and fully custom dimensions.
Learn More
gaskets

Gaskets, Washers & Die-Cut Parts

We produce custom gaskets in any shape or thickness, from basic washers to complex flange profiles, with precision cutting for tight tolerances.
Learn More
undercut product image

Undercut Molded Seals

We produce these parts using advanced tooling and molding techniques for complex shapes that traditional methods can’t achieve.
Learn More
rubber grommets

Custom Rubber Grommets

We supply durable grommets and bushings, round, oval, multi-hole, split, or solid, plus custom shapes like edge trims to protect wires, cables, and hoses.
Learn More
bushing and vibration

Bushings & Vibration Mounts

We manufacture custom rubber bushings and vibration mounts, solid or rubber-to-metal bonded, to minimize shock in industrial and automotive applications.
Learn More
sponge and foam rubber

Sponge & Foam Rubber Components

We produce custom parts from open- and closed-cell sponge, polyurethane, and silicone foams—ideal for gaskets, weatherstripping, seals, and pads. Ask ChatGPT
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bellows

Bellows, Convoluted Boots & Protective Covers

We make custom rubber bellows, boots, and caps—molded or fabricated—to protect industrial parts from dust, moisture, and motion-related wear.
Learn More
assorted molded shapes

Assorted Custom Molded Rubber Shapes

We mold custom rubber parts in virtually any shape, specializing in specialty requests, R&D projects, and one-of-a-kind components.
Learn More
extruded parts and tubing

Extruded Profiles & Tubing

We supply custom extruded rubber tubing and profiles—cords, strips, channels, and bulb seals—for sealing, insulation, and cushioning needs.
Learn More
Quality Products

Custom-Molded Elastomer and Composite Components – Built for Critical Applications

Manufactured to your specifications, with the certifications and consistency trusted by OEMs worldwide.

rubber to metal

Rubber-to-Metal Bonded Parts

We specialize in rubber-to-metal bonded parts, like seals, inserts, isolators, and diaphragms, for durable, high-performance industrial applications.
Learn More
rubber diaphragms

Custom Rubber Diaphragms

Assorted options like flat, convoluted, or fabric reinforced, for pressure control and sealing, with options like beads, molded edges, and bonded inserts.
Learn More
orings

O-Rings & Precision Seals

We manufacture custom and standard O-rings, Quad Rings/X-Rings, and elastomeric seals in any size or shape, including AS568 and fully custom dimensions.
Learn More
gaskets

Gaskets, Washers & Die-Cut Parts

We produce custom gaskets in any shape or thickness, from basic washers to complex flange profiles, with precision cutting for tight tolerances.
Learn More
undercut product image

Undercut Molded Seals

We produce these parts using advanced tooling and molding techniques for complex shapes that traditional methods can’t achieve.
Learn More
rubber grommets

Custom Rubber Grommets

We supply durable grommets and bushings, round, oval, multi-hole, split, or solid, plus custom shapes like edge trims to protect wires, cables, and hoses.
Learn More
bushing and vibration

Bushings, Vibration Mounts, & Dampers

We manufacture custom rubber bushings, vibration mounts, and dampers, solid or rubber-to-metal bonded, to minimize shock across several industry applications.
Learn More
sponge and foam rubber

Sponge & Foam Rubber Components

We produce custom parts from open- and closed-cell sponge, polyurethane, and silicone foams—ideal for gaskets, weatherstripping, seals, and pads.
Learn More
bellows

Bellows, Convoluted Boots & Protective Covers

We make custom rubber bellows, boots, and caps—molded or fabricated—to protect industrial parts from dust, moisture, and motion-related wear.
Learn More
assorted molded shapes

Assorted Custom Molded Rubber Shapes

We mold custom rubber parts in virtually any shape, specializing in specialty requests, R&D projects, and one-of-a-kind components.
Learn More
extruded parts and tubing

Extruded Profiles & Tubing

We supply custom extruded rubber tubing and profiles—cords, strips, channels, and bulb seals—for sealing, insulation, and cushioning needs.
Learn More
Our Certifications

Quality Certifications & Compliance You Can Trust

01

AS9100D Certified / ISO 9001:2015

R&R Rubber is AS9100D certified - the aerospace industry’s gold standard for quality management, including ISO 9001:2015.
02

ITAR Registered

We’re registered with the U.S. Department of State to handle ITAR-controlled projects. We follow strict protocols to protect sensitive defense-related technical data.
03

CMMC Level 1 Compliant with Level 2 in process

We meet the Cybersecurity Maturity Model Certification standards required for handling Controlled Unclassified Information (CUI).
Our Certifications

Quality Certifications & Compliance You Can Trust

01

AS9100D Certified / ISO 9001:2015

R&R Rubber is AS9100D certified - the aerospace industry’s gold standard for quality management, including ISO 9001:2015.
02

ITAR Registered

We’re registered with the U.S. Department of State to handle ITAR-controlled projects. We follow strict protocols to protect sensitive defense-related technical data.
03

CMMC Level 1 Compliant With Level 2 in Process

We meet the Cybersecurity Maturity Model Certification standards required for handling Controlled Unclassified Information (CUI).
Contact

Have a project in mind? Let's build it together!

Our team is ready to quickly respond to any questions for requests you have. Whether you need a prototype, a production quote, or guidance on materials and certifications, we’re ready to help.

Phone Number

+1 626-575-8105

Email Address

Interested in working with us? sales@rrrubber.com

Connect

We'd love to connect with you on LinkedIn.

California

2444 Loma Ave. South El Monte, CA 91733

Reach Out To Our Team

Whether you're requesting a quote or just asking a question, our team is ready to help. 

Drop your file here or click here to upload You can upload up to 1 files.
Upload any files that would help us understand the scope and specification of your project. (Technical Drawings, Material Specifications, 3D Models for Prototyping, etc)
Contact

Have a project in mind? Let's build it together!

Our team is ready to quickly respond to any questions for requests you have. Whether you need a prototype, a production quote, or guidance on materials and certifications, we’re ready to help.

Reach Out To Our Team

Whether you're requesting a quote or just asking a question, our team is ready to help. 

Drop your file here or click here to upload You can upload up to 1 files.
Upload any files that would help us understand the scope and specification of your project. (Technical Drawings, Material Specifications, 3D Models for Prototyping, etc)

Phone Number

+1 626-575-8105

Email Address

Interested in working with us? sales@rrrubber.com

Connect

We'd love to connect with you on LinkedIn.

California

2444 Loma Ave. South El Monte, CA 91733