Working conditions
Identify temperature, contact fluids and repeated movement.
Custom manufacturing example · Heat-resistant flexible rubber seal gasket/square rubber washer
CUSTOM RUBBER & SILICONE MANUFACTURING
Heat-resistant flexible rubber seal gasket/square rubber washer
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 square rubber washer can be custom molded as a flexible gasket for an interface exposed to heat. Choose the finished compound for the actual temperature and contact medium, while the square outline follows the mating area. The corners and central opening need the same attention as the overall width and thickness.
Check support at each corner before closing the joint. A corner that projects beyond its mating face can be pinched or pushed out of position. The washer should sit naturally around the central feature without being stretched into alignment.
Evaluate the assembled contact under the intended thermal conditions, including repeated exposure where relevant. Room temperature appearance alone does not establish the working fit. During maintenance, inspect for cuts, persistent flattening and corners that no longer return to their original shape. Clean the faces before replacement and preserve the specified profile. If distortion recurs, review the joint support and material selection instead of adding extra thickness to compensate for an unresolved fit or temperature issue.
- Material options
- Rubber. Custom formulation and color for the intended contact conditions.
- Hardness selection
- Rubber: 30–90 Shore A. A square rubber washer can be custom molded as a flexible gasket for an interface exposed to heat.
- Custom dimensions
- The corners and central opening need the same attention as the overall width and thickness.
- Fit & assembly
- If distortion recurs, review the joint support and material selection instead of adding extra thickness to compensate for an unresolved fit or temperature issue.
- Use & inspection
- During maintenance, inspect for cuts, persistent flattening and corners that no longer return to their original shape.
Photos illustrate structure or material only. A corner that projects beyond its mating face can be pinched or pushed out of position. 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.
EXPLORE RELATED DESIGNS
Similar Products
Explore similar part structures and applications for your next project.
