Custom manufacturing example · Custom silicone rubber oil resistant hole plug

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom silicone rubber oil resistant hole plug

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

An oil resistant hole plug should be selected for the oil, additives and conditions present at the intended opening. The relevant exposure includes its duration and temperature, along with any different substance used during cleaning. A general silicone or rubber designation does not define universal oil compatibility.

ETOL can customize the structure, dimensions, hardness, material and color. Develop the retained profile around the finished hole and check the available grip for removal. The compound and geometry should be evaluated together in the complete closure arrangement.

Inspect the plug after the required exposure and handling sequence for swelling, changed seating or surface damage. During service, examine the mating opening as well as the rubber before fitting a replacement. If the oil or cleaning process has changed, review the chosen formulation rather than assuming another plug with the same dimensions remains appropriate. Keep the designated material identified so a visually similar spare does not introduce an unintended change at the closure.

Material options: Custom silicone or rubber formulation; select the compound alongside the mating geometry.
Hardness selection: Silicone: 20–80 Shore A; solid rubber: 30–90 Shore A. Develop the retained profile around the finished hole and check the available grip for removal.
Custom geometry: ETOL can customize the structure, dimensions, hardness, material and color.
Fit evaluation: Keep the designated material identified so a visually similar spare does not introduce an unintended change at the closure.
Color & OEM: Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. An oil resistant hole plug should be selected for the oil, additives and conditions present at the intended opening. 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

Define the part

Identify key dimensions, mating surfaces and quantity

Review material & tooling

Agree the compound and manufacturing approach

Evaluate the sample

Review the fit and agreed requirements in the assembly

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.