Custom molded size molded bushing silicone rubber cylinder sleeves

Silicone rubber cylinder sleeves should fit along the intended engagement length of the receiving component. A diameter measured at one end may not describe a taper, coating variation or local feature farther along the surface. The molded bore and length should follow the actual cylindrical interface.

Custom dimensions, material, hardness and color allow the sleeve to match the assembly. Define whether the sleeve is a protective covering or part of a loaded bushing arrangement, since those roles require different assessment. The surrounding seat can also compress the sleeve and change its internal clearance.

During installation, support the rubber so it does not stretch unevenly along its length or fold at the entry. Check the final end positions and inspect the passage after any outer hardware is fitted. Select the silicone formulation for the temperature and exposure involved. During maintenance, examine the contact pattern over the whole length where accessible. A narrow concentrated mark may indicate a local feature in the receiving component rather than an overall diameter problem with the sleeve.

Material options

Silicone. Custom formulation and color for the intended contact conditions.

Hardness selection

Silicone: 20–80 Shore A. During installation, support the rubber so it does not stretch unevenly along its length or fold at the entry.

Custom dimensions

The molded bore and length should follow the actual cylindrical interface.

Fit & assembly

Silicone rubber cylinder sleeves should fit along the intended engagement length of the receiving component.

Use & inspection

Check the final end positions and inspect the passage after any outer hardware is fitted.

Photos illustrate structure or material only. The surrounding seat can also compress the sleeve and change its internal clearance. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.