flexible rubber dust tube molded silicone sleeve grommets

A rubber dust tube provides an extended flexible passage around a routed component. In a sleeve-grommet arrangement, the attachment region and the tube exit need to work together so that the protected component does not immediately meet a sharp bend or hard edge after leaving the flexible section.

Define the tube length, internal space, and end fit around the actual route. Nearby supports should manage the component's movement rather than pulling the tube away from its seated position. If an attached connector must pass through during assembly, include that requirement before settling the bore.

Inspect the fitted route through its relevant movement and check for collapse, rubbing, or concentrated contact at an exit. Dust exclusion depends on the complete end arrangement; an open flexible sleeve alone does not establish a sealed enclosure. During maintenance, examine hidden attachment areas and the ends of the tube for wear. Repeated damage at one exit may indicate a routing or support issue that a replacement tube of the same length will not correct.

Material options

Custom silicone compound; formulation and geometry developed together.

Hardness selection

Silicone options: 20–80 Shore A. In a sleeve-grommet arrangement, the attachment region and the tube exit need to work together so that the protected component does not immediately meet a sharp bend or hard edge after leaving the flexible section.

Custom geometry

Define the tube length, internal space, and end fit around the actual route.

Fit evaluation

Inspect the fitted route through its relevant movement and check for collapse, rubbing, or concentrated contact at an exit.

Color & OEM

Custom colors; identification clear of folds and end connections.

Photos illustrate structure or material appearance only. A rubber dust tube provides an extended flexible passage around a routed component. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.