Custom soft colored square silicone rubber plug for belt

A square silicone rubber plug for a belt related assembly should match the receiving feature and the space around it. The square outline needs defined corner radii and engagement depth, not only a side length. Softness can assist fitting, but the plug should settle into its intended shape without being held in a permanent twist.

Custom dimensions, hardness and color options allow the part to follow the assembly design. Establish whether the plug is a closure, cover or locating component at that position, then evaluate its retention for the actual handling and movement. The surrounding belt arrangement should remain clear of any exposed portion that is not intended to contact it.

During installation, align the corners before pressing the body into place. Inspect all sides for a folded edge and check that the exposed face is at the intended height. Select the silicone compound for the local environment. If repeated movement leaves a mark on one corner, examine nearby clearance and orientation before replacing the plug with a harder or larger version.

Material options

Custom silicone compound; formulation and geometry developed together.

Hardness selection

Silicone options: 20–80 Shore A. Establish whether the plug is a closure, cover or locating component at that position, then evaluate its retention for the actual handling and movement.

Custom geometry

The square outline needs defined corner radii and engagement depth, not only a side length.

Fit evaluation

Inspect all sides for a folded edge and check that the exposed face is at the intended height.

Color & OEM

Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. The square outline needs defined corner radii and engagement depth, not only a side length. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.