Mushroom head silicone rubber suction cup

The mushroom head on this silicone rubber suction cup provides a shaped attachment feature above the cup body. Its fit with the receiving holder needs to retain the cup without damaging the narrow connecting section. The holder geometry and assembly direction are therefore separate selection considerations from the diameter of the sealing face.

Check the receiving opening and the space available behind it for the head to seat. A sharp edge can cut the material during insertion, while insufficient clearance can leave the head partly compressed or incompletely engaged. Avoid pulling on the sealing rim to force the attachment into place, since that loads a different part of the cup.

Once installed, assess the cup's contact with the intended surface and the direction of force through the holder. The shaped head does not establish a lifting capacity or guarantee retention under every load. Inspect the connection for stretching or tears during maintenance, along with the sealing lip. Damage at the neck can affect attachment even when the rim still appears capable of forming a seal.

Material options

Custom silicone compound; formulation and geometry developed together.

Hardness selection

Silicone options: 20–80 Shore A. A sharp edge can cut the material during insertion, while insufficient clearance can leave the head partly compressed or incompletely engaged.

Custom geometry

Check the receiving opening and the space available behind it for the head to seat.

Fit evaluation

The holder geometry and assembly direction are therefore separate selection considerations from the diameter of the sealing face.

Color & OEM

Custom colors; OEM markings outside the suction contact face.

Photos illustrate structure or material appearance only. A sharp edge can cut the material during insertion, while insufficient clearance can leave the head partly compressed or incompletely engaged. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.