Silicone rubber suction cup heavy duty vacuum glass sucker

A vacuum suction cup for glass must be used within a complete arrangement suitable for its intended handling task. The silicone cup supplies the contact profile, but the holder, vacuum conditions and glass surface also determine retention. A heavy-duty description does not establish a lifting rating for an individual rubber component.

Check that the rim can sit continuously on the actual glass without crossing a seam, coating defect or contaminated area. The cup body should align with the connection so it is not bent away from the surface by the holder. The direction of applied force needs consideration alongside the size of the contact face.

Evaluate the assembled system for the required duty before handling a load. Inspect the cup and glass contact before use, and release the attachment through the intended mechanism. During maintenance, look for cuts and permanent changes in the lip profile. Increasing force against the surface is not a correction for damaged rubber that can no longer form its intended seal around the perimeter.

Material options

Custom silicone compound; formulation and geometry developed together.

Hardness selection

Silicone options: 20–80 Shore A. The direction of applied force needs consideration alongside the size of the contact face.

Custom geometry

The silicone cup supplies the contact profile, but the holder, vacuum conditions and glass surface also determine retention.

Fit evaluation

Evaluate the assembled system for the required duty before handling a load.

Color & OEM

Custom colors; OEM markings outside the suction contact face.

Photos illustrate structure or material appearance only. The silicone cup supplies the contact profile, but the holder, vacuum conditions and glass surface also determine retention. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.