85mm rubber suction cup vacuum suction cups

An 85mm rubber suction cup needs a suitable surface across its complete working footprint. A larger area may encounter more curvature, texture or local irregularity than a smaller contact. The cup should be evaluated on representative surfaces rather than assuming that increased diameter automatically produces a stronger attachment.

Define the mounting geometry and direction of force, including any turning effect from an offset attached component. Check whether nearby edges or features limit where the cup can be placed.

Clean the contact area before fitting and inspect the rim around its entire perimeter. A small section held away by surface variation can affect the whole contact. Evaluate holding and release through the intended use cycle with the actual assembly. During maintenance, look for trapped debris, nicks or lasting distortion. If the receiving surface changes, reassess the cup profile and placement rather than retaining the same part solely because its 85 mm size still fits the available space.

Material options

Rubber compound options, customized alongside the profile and contact conditions.

Hardness selection

Solid rubber options: 30–90 Shore A. Define the mounting geometry and direction of force, including any turning effect from an offset attached component.

Custom geometry

If the receiving surface changes, reassess the cup profile and placement rather than retaining the same part solely because its 85 mm size still fits the available space.

Fit evaluation

Evaluate holding and release through the intended use cycle with the actual assembly.

Color & OEM

Custom colors; OEM markings outside the suction contact face.

Photos illustrate structure or material appearance only. A larger area may encounter more curvature, texture or local irregularity than a smaller contact. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.