BEST SELLER

Colorful rubber rings

Custom color-coded rubber O-rings available in multiple materials, hardness levels, sizes, and colors. Designed for sealing, identification, and assembly management, these O-rings support automotive, electrical equipment, and home appliance applications with fast sampling and flexible customization.

Request a Quote
Key Features

Color-Coded O-Rings for Sealing and Identification

Our colored rubber O-rings combine reliable sealing performance with easy visual identification. Materials, colors, hardness, sizes, and specifications can be customized to meet different assembly, maintenance, and application requirements.

  • Color Identification Support

    Different colors help identify materials, sizes, batches, or application positions during assembly and maintenance.

  • Multiple Material Options

    Available in NBR, EPDM, FKM, HNBR, Silicone, Fluorosilicone, Neoprene, SBR, ACM, AEM, and other rubber compounds.

  • Wide Hardness Range

    Hardness can be customized from 10 to 90 Shore A for different sealing pressure, flexibility, and installation needs.

  • Broad Size Capability

    Available from tiny sizes such as ID 0.60 × CS 0.20 mm to large sizes up to ID 1000.00 × CS 20.00 mm.

  • Smooth Surface Quality

    Smooth molded surface with a small parting line helps improve sealing consistency and product appearance.

  • Automatic Inspection Available

    Automatic Doss Machine inspection can be used for 100% O-ring checking.

Technical Data

Specifications & Materials

Technical specifications for custom colored rubber O-rings used in automotive, electrical equipment, home appliance, and general sealing applications.

Product Specifications
Product Type Colored Rubber O-Ring
Category O-Rings
Materials NBR, EPDM, FKM, HNBR, Silicone, Fluorosilicone, Neoprene, SBR, ACM, AEM
Compound Material Meets ASTM D2000
Compliance Options UL, FDA, NSF, RoHS, REACH
Material Brands ZEON, LANXESS, Dow Corning, DuPont
Hardness 10–90 Shore A
Color Custom colors available
Size Range ID 0.60 × CS 0.20 mm to ID 1000.00 × CS 20.00 mm
Surface Quality Smooth surface with small parting line
Inspection 100% checking available by Doss Machine
Tooling 3,500+ existing O-ring tools
Tooling Charge No tooling charge for matched existing tools
Sample Lead Time About 8 Days
Mass Production Lead Time 12–18 Days
Applications Automotive, electrical equipment, home appliance machines

Available Compounds

  • NBR Rubber

    NBR is widely used for colored O-rings requiring oil resistance, wear resistance, and cost-effective sealing performance.

    Oil Resistant Wear Resistant General Sealing
  • EPDM Rubber

    EPDM is suitable for colored O-rings used in water, weather, ozone, and aging-resistant sealing applications.

    Weather Resistant Ozone Resistant Water Resistant
  • FKM Rubber

    FKM is used for high-performance colored O-rings that require strong resistance to heat, chemicals, oils, and fuels.

    Chemical Resistant High Temperature Premium Grade
  • HNBR Rubber

    HNBR provides improved heat, oil, and wear resistance, making it suitable for automotive and demanding sealing applications.

    Heat Resistant Oil Resistant Durable
  • Silicone Rubber

    Silicone rubber offers excellent flexibility, temperature resistance, and clean color appearance. FDA or NSF compliant grades can be selected when required.

    Flexible Temperature Resistant FDA Available
  • Fluorosilicone Rubber

    Fluorosilicone combines low-temperature flexibility with improved fuel and oil resistance, suitable for specialty sealing environments.

    Fuel Resistant Low Temperature Specialty Compound
  • Neoprene Rubber

    Neoprene provides balanced resistance to weathering, abrasion, and mild chemicals for general industrial sealing applications.

    Weather Resistant Abrasion Resistant General Purpose
  • SBR Rubber

    SBR is a cost-effective rubber material with good abrasion resistance, suitable for standard sealing and non-critical applications.

    Cost-Effective Abrasion Resistant Standard Use
  • ACM / AEM Rubber

    ACM and AEM are suitable for automotive sealing environments requiring resistance to heat, oil, and transmission-related fluids.

    Automotive Use Heat Resistant Oil Resistant

Existing Tooling for Faster Color O-Ring Supply

With more than 3,500 existing O-ring tools, we can support a wide range of custom colors and sizes while helping reduce tooling costs for matched specifications.

  • 3,500+

    Existing O-Ring Tools

  • 8 Days

    Sample Lead Time

Where It's Used

Application Scenarios

Colored rubber O-rings are used in sealing applications where reliable performance, color identification, and easy assembly management are required.

  • Automotive Sealing

    Used in vehicle components where O-rings are required for sealing, identification, or maintenance management.

  • Electrical Equipment

    Suitable for sealing and insulation-related applications in electrical equipment assemblies.

  • Home Appliance Machines

    Applied in household appliance systems requiring compact rubber sealing parts.

  • Assembly Line Identification

    Different colors help workers distinguish sizes, materials, or installation positions during production.

  • Industrial Sealing Systems

    Used in machinery, equipment, and connection points requiring customized rubber O-rings.

  • Custom Sealing Projects

    Available for customized sealing designs based on drawings, samples, colors, or specific size requirements.

OEM & Custom

Custom Colored O-Ring Manufacturing

We provide custom colored rubber O-ring manufacturing based on your required material, size, hardness, color, compliance standard, drawing, or sample.

  • Color Customization

    O-rings can be produced in different colors for product identification, assembly management, or branding needs.

  • Material Selection Support

    Rubber compounds can be selected according to oil resistance, weather resistance, temperature resistance, chemical resistance, or compliance requirements.

  • Existing Tooling Check

    We help match your required ID and CS with existing O-ring tools to reduce tooling cost where possible.

  • Sample and Mass Production

    Samples can be prepared in about 8 days, with mass production lead time around 12–18 days.

You May Also Need

Related Products

Explore complementary sealing solutions from our comprehensive product catalog.

View More Products