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Silicone Rubber O-Rings

Custom silicone rubber O-rings designed for medical equipment and home appliance machine applications. Made with Dow Corning silicone material options, these O-rings are available in AS568, metric, and JIS sizes, with custom hardness, colors, samples, and specifications available.

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Key Features

Flexible Silicone O-Rings for Clean Sealing Applications

Our silicone rubber O-rings are manufactured for applications that require flexible sealing, clean appearance, stable quality, and custom size options. Standard and custom specifications are available for medical equipment and home appliance machine assemblies.

  • Silicone Rubber Material

    Made with Dow Corning silicone material options for stable flexibility, sealing performance, and molded quality.

  • Standard and Custom Sizes

    Available in all AS568 sizes, metric sizes, and JIS sizes to match different sealing groove and assembly requirements.

  • Wide 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.

  • Custom Hardness Range

    Hardness can be customized from 20 to 90 Shore A for different compression, sealing, and installation needs.

  • Smooth Surface Finish

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

  • 100% Inspection Available

    Automatic Doss Machine inspection is available for 100% O-ring checking to support stable product quality.

Technical Data

Specifications & Materials

Technical specifications for custom silicone rubber O-rings used in medical equipment and home appliance machine sealing applications.

Product Specifications
Product Type Custom Silicone Rubber O-Ring
Parent Category O-Rings
Category Silicone O-Rings
Material Silicone Rubber
Compound Material Meets ASTM D2000
Compliance Options FDA, NSF, RoHS, REACH
Material Brand Dow Corning
Hardness 20–90 Shore A
Size Standards AS568, Metric, JIS
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
Sample Lead Time About 5 Days
Mass Production Lead Time About 10 Days
Applications Medical equipment, home appliance machines

Available Compounds

  • Standard Silicone Rubber

    Standard silicone rubber is suitable for general sealing applications requiring flexibility, smooth surface quality, and reliable compression performance.

    Flexible Smooth Surface General Sealing
  • Dow Corning Silicone

    Dow Corning silicone material options are available for projects requiring consistent material quality and stable molded O-ring performance.

    Dow Corning Stable Quality Silicone O-Rings
  • FDA Grade Silicone

    FDA grade silicone can be selected when the application requires clean-use or food-contact related material options.

    FDA Available Clean Use Appliance Parts
  • NSF Grade Silicone

    NSF grade silicone options are available for water-contact, sanitary, or appliance-related sealing applications when required.

    NSF Available Water Contact Sanitary Use
  • Soft Silicone Rubber

    Soft silicone rubber is suitable for O-rings requiring better compression, easy installation, and flexible sealing contact.

    Soft Sealing Easy Fitting Flexible
  • Custom Color Silicone

    Custom color silicone can be used for product identification, assembly distinction, or visual matching in medical and appliance applications.

    Color Customization Visual ID Custom Parts

Standard Sizes and Fast Silicone O-Ring Supply

We support AS568, metric, and JIS silicone O-ring sizes, with fast sample preparation, short mass production lead time, and automatic inspection capability.

  • 5 Days

    Sample Lead Time

  • 10 Days

    Mass Production Lead Time

Where It's Used

Application Scenarios

Custom silicone rubber O-rings are mainly used in medical equipment and home appliance machines where flexible sealing, clean appearance, and stable fitting are required.

  • Medical

    Used in selected medical equipment assemblies requiring clean, flexible, and reliable silicone sealing parts.

  • Home Appliance Machines

    Applied in home appliance machines where silicone O-rings are needed for sealing, cushioning, or protective fitting.

  • Water-Contact Components

    Suitable for selected appliance or sanitary sealing positions when compatible silicone grades are required.

  • Standard Groove Sealing

    Available in AS568, metric, and JIS sizes for standard O-ring groove sealing applications.

OEM & Custom

Custom Silicone O-Ring Manufacturing

We provide custom silicone rubber O-ring manufacturing based on size standards, drawings, samples, material requirements, hardness levels, colors, and application conditions.

  • Standard Size Matching

    AS568, metric, and JIS sizes can be selected according to your sealing groove, ID, CS, or sample requirements.

  • Size and Color Customization

    Inside diameter, cross-section, color, and specifications can be customized for different sealing applications.

  • Material and Hardness Selection

    Dow Corning silicone material options and hardness levels can be selected based on flexibility, sealing, compliance, or fitting requirements.

  • Automatic Inspection Support

    Doss Machine inspection is available for 100% O-ring checking to support consistent quality control.

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