R&R Rubber Molding Inc.
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Our Products

Custom-Molded Rubber Grommets & Protective Edge Seals

We manufacture precision-molded grommets to protect wires, cables, hoses, and cords as they pass through panels, bulkheads, or metal edges — delivering long-lasting abrasion resistance, vibration damping, and compliance-ready performance across industries.

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Custom-Molded Rubber Grommets Features & Capabilities

Available in a wide range of elastomers:
  • Nitrile (NBR/Buna), Neoprene, EPDM, Viton® / FKM, Silicone (FDA- and NSF-compliant grades available)
  • HNBR, Aflas®, Polyurethane, FFKM for harsh chemical and thermal environments
  • Optional reinforcement with fabric layers or metallic inserts for aerospace and defense applications
Performance Options:
  • Custom sizing based on panel thickness and hole geometry
  • Standard hardness 50–70 Shore A, with options from 40–90 Shore A for specific needs
  • Overmolded grommets with bonded inserts for aerospace bulkheads and ruggedized electronics
  • Continuous edging for sharp or irregular cutouts
  • Vibration-dampening and noise-isolating designs available
  • Flame-retardant compounds and UL-rated materials for electrical and transit applications
  • Compliance with AS9100D, ISO 9001, ITAR, MIL-STD, ASTM, UL, FDA, NSF/ANSI, RoHS, REACH

Custom-Molded Rubber Grommets Features & Capabilities

Available in a wide range of elastomers:
Performance Options:
  • Nitrile (NBR/Buna), Neoprene, EPDM, Viton® / FKM, Silicone (FDA- and NSF-compliant grades available)
  • HNBR, Aflas®, Polyurethane, FFKM for harsh chemical and thermal environments
  • Optional reinforcement with fabric layers or metallic inserts for aerospace and defense applications
  • Custom sizing based on panel thickness and hole geometry
  • Standard hardness 50–70 Shore A, with options from 40–90 Shore A for specific needs
  • Overmolded grommets with bonded inserts for aerospace bulkheads and ruggedized electronics
  • Continuous edging for sharp or irregular cutouts
  • Vibration-dampening and noise-isolating designs available
  • Flame-retardant compounds and UL-rated materials for electrical and transit applications
  • Compliance with AS9100D, ISO 9001, ITAR, MIL-STD, ASTM, UL, FDA, NSF/ANSI, RoHS, REACH
Why Choose R&R Rubber

Why R&R Rubber Is the Trusted Choice for Rubber Grommets

Unlike off-the-shelf grommets, we deliver custom-molded parts matched to your panel thickness and hole geometry. We can produce quick-turn prototypes so you can test fit and function before committing to full production — eliminating guesswork and rework.

We mold grommets from certified rubbers including EPDM, Silicone, NBR, FKM /Viton®, HNBR, and flame-retardant compounds to UL standards.

Options include:

  • UV- and ozone-resistant materials for HVAC and outdoor use

  • Fuel- and chemical-resistant elastomers for automotive and aerospace

  • Fabric- or metallic-reinforced grommets for aerospace bulkheads and ruggedized defense electronics

Don’t see the material you’re looking for? We’re able to accommodate any materials needed for your specific project. (Exotic materials included) 

Our grommets are precision-molded with flash-free edges and smooth inner diameters so cables glide through without abrasion. Every detail — from groove depth to installation ease — is engineered for a secure, hassle-free fit that protects wires and cords while extending service life.

Unlike off-the-shelf grommets, we deliver custom-molded parts matched to your panel thickness and hole geometry. We can produce quick-turn prototypes so you can test fit and function before committing to full production — eliminating guesswork and rework.

We mold grommets from certified rubbers including EPDM, Silicone, NBR, FKM /Viton®, HNBR, and flame-retardant compounds to UL standards.

Options include:

  • UV- and ozone-resistant materials for HVAC and outdoor use

  • Fuel- and chemical-resistant elastomers for automotive and aerospace

  • Fabric- or metallic-reinforced grommets for aerospace bulkheads and ruggedized defense electronics

Don’t see the material you’re looking for? We’re able to accommodate any materials needed for your specific project. (Exotic materials included) 

Our grommets are precision-molded with flash-free edges and smooth inner diameters so cables glide through without abrasion. Every detail — from groove depth to installation ease — is engineered for a secure, hassle-free fit that protects wires and cords while extending service life.

Request A Quote

Rubber Grommets Applications Across Industries

Transportation

Automotive firewalls and dashboards

Aerospace

Aerospace bulkheads and avionics panels

Construction

HVAC systems and ducting penetrations

Industrial

Cord organization and strain relief for cables & line holes in consumer and industrial products

Electronics

Reinforced grommets for defense and rugged electronics

As specialists in precision rubber manufacturing since 1977, R&R Rubber consistently delivers proven solutions – while remaining ready to take on new designs and emerging application challenges.

Rubber Grommets Applications Across Industries

Transportation

Automotive firewalls and dashboards

Aerospace

Aerospace bulkheads and avionics panels

Construction

HVAC systems and ducting penetrations

Industrial

Cord organization and strain relief for cables & Line holes in consumer and industrial products

Electronics

Reinforced grommets for defense and rugged electronics

As specialists in precision rubber manufacturing since 1977, R&R Rubber consistently delivers proven solutions – while remaining ready to take on new designs and emerging application challenges.

Contact

Need abrasion- and vibration-resistant grommets?

Upload a drawing or request a quote today. We manufacture grommets and edge seals to meet the toughest aerospace, defense, energy, and industrial standards.

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