Factory custom made rubber silicone stopper hole plugs

A silicone stopper can be customized for an opening that is closed during assembly and accessed again during service. Its dimensions should allow repeatable seating, with the engaging profile holding the part in its intended location. Color can be chosen for the product, while the precise compound follows the actual exposure conditions.

Consider how the user recognizes full insertion. A defined shoulder or other seating feature, where included in the design, can provide a clear relationship with the surrounding surface. The installed part should not depend on being pushed progressively deeper each time it is replaced.

Keep the receiving opening free of residue that could change the fit. During refitting, align the body before applying pressure and avoid trapping an edge beneath the exposed face. Repeated removal can reveal damage at the contact section, so inspect that area rather than judging only the visible head. If retention changes noticeably, compare the plug and opening for wear or deformation before continuing with the same closure arrangement.

Material options

Custom silicone compound; formulation and geometry developed together.

Hardness selection

Silicone options: 20–80 Shore A. During refitting, align the body before applying pressure and avoid trapping an edge beneath the exposed face.

Custom geometry

Its dimensions should allow repeatable seating, with the engaging profile holding the part in its intended location.

Fit evaluation

A defined shoulder or other seating feature, where included in the design, can provide a clear relationship with the surrounding surface.

Color & OEM

Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. A silicone stopper can be customized for an opening that is closed during assembly and accessed again during service. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.