Isolator rubber silent block vibration dampers

A rubber silent block introduces a flexible element between supported parts in a vibration isolation arrangement. The custom rubber body must be integrated so the intended movement takes place through that element. Nearby rigid parts should not touch each other in a way that bypasses the rubber once the assembly is loaded.

Inspect the clearance around the installed block, including brackets, washers and enclosure edges. A gap visible before loading may close when the supported item settles. Check the operating position and the movement expected during starting or stopping, rather than evaluating only the unloaded component on a bench.

Custom dimensions, color and rubber choices are available, with hardness listed from 30 to 90 Shore A. Select the construction around the support geometry and actual forces; the silent block name does not establish a measured noise reduction. Compare behavior in the completed assembly and look for unexpected contact marks on neighboring hardware. During maintenance, investigate a new rigid contact or changed supported height before assuming the rubber alone is at fault. A deteriorated block should be replaced with the evaluated configuration rather than an approximate size.

Material options

Custom rubber compound and color, selected for the contact conditions and required geometry.

Hardness range

30–90 Shore A for rubber. Assess the grade against this fit requirement: Check the operating position and the movement expected during starting or stopping, rather than evaluating only the unloaded component on a bench.

Custom profile & fit

Select the construction around the support geometry and actual forces; the silent block name does not establish a measured noise reduction.

Assembly considerations

Inspect the clearance around the installed block, including brackets, washers and enclosure edges.

Design check

Compare behavior in the completed assembly and look for unexpected contact marks on neighboring hardware.

Photos illustrate structure or material only. A gap visible before loading may close when the supported item settles. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.