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Custom Rubber O-Rings

Custom rubber O-rings designed for automotive, faucet, electrical equipment, medical equipment, home appliance housing, sanitary, and agricultural applications. Available in custom sizes, colors, hardness levels, and material options to support reliable sealing performance across different industries.

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Key Features

Custom O-Rings for Multi-Industry Sealing Applications

Our custom rubber O-rings are designed for sealing applications that require flexible material selection, custom dimensions, smooth molded quality, and reliable inspection support.

  • Custom 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.

  • Flexible Material Options

    Rubber materials and branded compounds can be selected according to sealing environment, compliance needs, and application requirements.

  • Wide Hardness Range

    Hardness can be customized from 10 to 90 Shore A to meet different compression, sealing, and installation requirements.

  • Smooth Surface Finish

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

  • 100% Inspection Available

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

  • Broad Application Coverage

    Suitable for automotive, faucet, electrical equipment, medical equipment, home appliance housing, sanitary, and agricultural sealing applications.

Technical Data

Specifications & Materials

Technical specifications for custom rubber O-rings used in automotive, faucet, electrical equipment, medical equipment, home appliance housing, sanitary, and agricultural sealing applications.

Product Specifications
Product Name Custom Rubber O-Rings
Compound Material Meets ASTM D2000
Compliance Options FDA, NSF, RoHS, REACH
Material Brands ZEON, LANXESS, Dow Corning, DuPont
Hardness 10–90 Shore A
Color As per request
Package PE Bag, Carton
Sample Lead Time About 8 Days
Mass Production Lead Time 12–18 Days
Application Automotive, faucet, electrical equipment, medical equipment, home appliance housing, sanitary, agriculture
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% O-ring checking by Doss Machine

Available Compounds

  • NBR Rubber

    NBR is commonly selected for O-rings that require oil resistance, wear resistance, and cost-effective sealing performance.

    Oil Resistant Wear Resistant General Sealing
  • EPDM Rubber

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

    Water Resistant Weather Resistant Ozone Resistant
  • Silicone Rubber

    Silicone rubber provides good flexibility and temperature resistance. FDA or NSF compliant grades can be selected when required.

    Flexible Temperature Resistant FDA Available
  • HNBR Rubber

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

    Heat Resistant Oil Resistant Durable
  • FKM Rubber

    FKM is suitable for high-performance O-rings requiring strong resistance to heat, chemicals, oils, or fuels.

    Chemical Resistant High Temperature Premium Grade
  • Neoprene Rubber

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

    Abrasion Resistant Weather Resistant General Purpose

Wide Size Range and Custom O-Ring Support

From small precision O-rings to large sealing rings, we support customized dimensions, colors, hardness levels, packaging, and inspection requirements for different sealing projects.

  • ID 0.60 mm+

    Minimum Inside Diameter

  • 8 Days

    Sample Lead Time

Where It's Used

Application Scenarios

Custom rubber O-rings are widely used in sealing applications across automotive, faucet, electrical, medical, appliance, sanitary, and agricultural products.

  • Automotive Sealing

    Used in vehicle systems requiring compact rubber sealing parts and custom O-ring solutions.

  • Faucet Components

    Suitable for faucet sealing positions where stable compression and material compliance may be required.

  • Electrical Equipment

    Used in electrical equipment assemblies requiring sealing, insulation, or protective rubber components.

  • Medical Equipment

    FDA or NSF available materials can be selected for medical equipment sealing applications.

  • Home Appliance Housing

    Applied in appliance housings, covers, and connection points requiring rubber O-ring sealing.

  • Agricultural Equipment

    Suitable for agricultural equipment exposed to dust, moisture, and outdoor working conditions.

OEM & Custom

Custom Rubber O-Ring Design

We provide custom rubber O-rings based on your drawings, samples, material requirements, hardness, color, package, and application environment.

  • Size and Specification Customization

    O-rings can be customized according to ID, cross-section, groove design, sample, or drawing requirements.

  • Material and Compliance Selection

    Rubber materials and compliance options can be selected according to FDA, NSF, RoHS, REACH, sealing media, and working conditions.

  • Color and Hardness Customization

    Color and hardness can be adjusted to match product identification, assembly requirements, and sealing performance.

  • Inspection and Packaging Support

    100% O-ring checking can be arranged, with PE bag and carton packaging available for delivery.

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