CUSTOM RUBBER & SILICONE MANUFACTURING

High temperature silicone cap rubber end cap

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

Vulcanization workshop illustration with green molding presses and blue collection bins

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 High temperature silicone cap is a custom end cover whose material and fit need to suit the thermal conditions around the protected component. The relevant conditions include the surface beneath the cap, the surrounding air and how long the exposure lasts. Size and color can be tailored, but the thermal selection should follow the specific finished construction.

An easy fit at installation does not establish how the cap will sit after the component warms. Evaluate the engagement and contact areas through the intended operating cycle, including the cooled condition if the cover will be removed afterward. Leave room for nearby features so the rubber is not trapped against a sharp edge as the assembly changes temperature.

Select the operating conditions around the actual compound and the finished cap's application evaluation. Different rubber choices should not share an assumed temperature limit. During service, wait until the component can be handled safely, then inspect the cap for surface damage or a changed fit. Replace a deteriorated cover and review its exposure before returning it to the same location.

Material options
Custom silicone compound; formulation and geometry developed together.
Hardness selection
Silicone options: 20–80 Shore A. A High temperature silicone cap is a custom end cover whose material and fit need to suit the thermal conditions around the protected component.
Custom geometry
Size and color can be tailored, but the thermal selection should follow the specific finished construction.
Fit evaluation
Leave room for nearby features so the rubber is not trapped against a sharp edge as the assembly changes temperature.
Color & OEM
Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. A High temperature silicone cap is a custom end cover whose material and fit need to suit the thermal conditions around the protected component. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.

Choosing a material or hardness? Explore the selection guide →

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

Working conditions

Identify temperature, contact fluids and repeated movement.

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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Send your requirements
and selected drawings

All files and photos you share with us are handled under strict confidentiality procedures and will not be disclosed to any third party.

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Request a Custom Quote

You can also email us directly at [email protected].