Working conditions
Identify temperature, contact fluids and repeated movement.
Custom manufacturing example · Hot-selling different sizes round rubber gasket/colored rubber O-ring
CUSTOM RUBBER & SILICONE MANUFACTURING
Hot-selling different sizes round rubber gasket/colored rubber O-ring
A custom component for your assembly.
Define the mating surfaces, dimensions and working conditions. ETOL manufactures the part to the agreed design and material.
- Factory direct
- Made to order
- Drawing & sample support
Share the part, its application and your estimated quantity.
Customize the fit, material and finish
Material & hardness
Selected for the contact, temperature and movement
Color & finish
Define the visible surfaces and intended color
Shape & dimensions
Develop holes, lips and walls around the mating parts
Mounting & fit
Match the attachment and installation method
Product Overview
A colored rubber O-ring can be custom molded for a circular sealing interface, with size and material selected for the application. Color can distinguish variants, but the ring diameter and cross section determine the physical fit. Keep these working dimensions associated with the chosen compound when planning assembly and replacements.
Check the ring against its intended seat rather than stretching it until it appears to fit. A different cross section can change the available compression even when the ring's overall diameter looks similar. Flat round gasket versions require their own profile assessment and should not be treated as equivalent to an O-ring solely because both are circular.
Choose the finished formulation for the contents, temperature and cleaning conditions. Before installation, inspect for cuts and remove debris from the seat. Place the ring without a persistent twist, and examine its position before closing the joint. During service, separate similar colors and sizes so a convenient visual match does not replace the dimensional and material fit required by the assembly.
- Material options
- Rubber. Custom formulation and color for the intended contact conditions.
- Hardness selection
- Rubber: 30–90 Shore A. A different cross section can change the available compression even when the ring's overall diameter looks similar.
- Custom dimensions
- Color can distinguish variants, but the ring diameter and cross section determine the physical fit.
- Fit & assembly
- Check the ring against its intended seat rather than stretching it until it appears to fit.
- Use & inspection
- Before installation, inspect for cuts and remove debris from the seat.
Photos illustrate structure or material only. A different cross section can change the available compression even when the ring's overall diameter looks similar. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.
From part requirements to production
01
Define the part
Identify key dimensions, mating surfaces and quantity
02
Review material & tooling
Agree the compound and manufacturing approach
03
Evaluate the sample
Review the fit and agreed requirements in the assembly
04
Produce & inspect
Manufacture and check against the approved requirements
Review the intended assembly
Material and structure
Consider hardness together with wall thickness and support.
Installation
Check access, mating dimensions and the fitting sequence.
Ordering this custom component
Can the shape be adjusted to my mating parts?
Yes. Show the receiving opening, contact surfaces and clearance limits. We can review the dimensions and retaining features around the intended fit.
Which details should be agreed before tooling?
Agree the critical dimensions, material, hardness, visible surfaces and sample requirements. Explain how the part is installed and which interfaces control its function.
Can a sample help define the replacement?
A sample can help explain the structure. Compare it with the assembly because wear, swelling or compression may have changed its original dimensions.
How is the quotation for this part determined?
The material, part geometry, tooling, quantity and finishing affect the quotation. Include the intended batch size and delivery destination when describing your requirements.
DISCUSS THIS COMPONENT
Describe the part you need.
Share the fit, operating conditions and quantity with our manufacturing team.
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