Wear-resistant EPDM NBR rubber solid plugs with different shapes

Custom rubber solid plugs can be molded in different shapes for openings that need a closed body. EPDM and NBR versions should be chosen according to the finished compound and working conditions. The outline and insertion profile should follow the hole rather than being selected from the exposed top alone.

Compare the opening along its depth. A shaped mouth, internal step or limited clearance can determine which section of the plug makes contact. For noncircular forms, check corners and changes in width as well as the main dimensions. The body should seat naturally without being twisted or stretched into position.

Wear inspection should focus on the regions that rub during fitting and removal. Remove sharp debris from the mating surface and avoid using a hard tool against the plug's contact edge. If a repeated wear mark appears at one location, review the hole geometry before changing material. Custom color can distinguish profiles, but replacement should preserve the working shape and compound requirements associated with that opening.

Material options

EPDM / NBR compound options, customized alongside the profile and contact conditions.

Hardness selection

Solid rubber options: 30–90 Shore A. The body should seat naturally without being twisted or stretched into position.

Custom geometry

For noncircular forms, check corners and changes in width as well as the main dimensions.

Fit evaluation

The outline and insertion profile should follow the hole rather than being selected from the exposed top alone.

Color & OEM

Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. A shaped mouth, internal step or limited clearance can determine which section of the plug makes contact. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.