CUSTOM RUBBER & SILICONE MANUFACTURING

Custom made rubber waterproof silicone covers

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

Custom waterproof silicone covers are shaped around the component they protect. A flexible outer shell can cover exposed surfaces, but the fit at its open edge is central to any moisture-exclusion function. The cover should be developed with the mating component and the intended access method in mind.

ETOL offers custom dimensions, color, hardness and branding, with different rubber materials available. Consider whether the cover is removed regularly or remains fitted during normal use. A frequently handled opening needs a shape that can be released without stretching a thin area or pulling against another part.

Check the full perimeter after installation. Buttons, seams, cable exits and projecting features may prevent the edge from closing evenly even when the main body looks well fitted. The waterproof name does not state an ingress classification or establish immersion capability; evaluate the finished cover and mating component for the required exposure.

Clean the seating surface before refitting the cover after maintenance. Trapped particles can create a local gap or scratch the protected finish. Let the cover settle into its intended shape and inspect folds near corners instead of forcing them flat with a fastener. Replace a split lip before returning the assembly to an exposure-dependent use.

Material options
Custom silicone compound; formulation and geometry developed together.
Hardness selection
Silicone options: 20–80 Shore A. A flexible outer shell can cover exposed surfaces, but the fit at its open edge is central to any moisture-exclusion function.
Custom geometry
A frequently handled opening needs a shape that can be released without stretching a thin area or pulling against another part.
Fit evaluation
The waterproof name does not state an ingress classification or establish immersion capability; evaluate the finished cover and mating component for the required exposure.
Color & OEM
Custom colors; OEM markings clear of the working interface.

Photos illustrate structure or material appearance only. A frequently handled opening needs a shape that can be released without stretching a thin area or pulling against another part. 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.

No files selected.

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.

DISCUSS THIS COMPONENT

Request a Custom Quote

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