Thin silicone rubber washer custom made cushion washer

A thin silicone rubber washer provides a compact annular contact layer where available thickness is limited. Its inner diameter, outer diameter, and section should match the supporting faces and intended cushioning role. Thin rubber needs even placement so it does not fold or overlap within the joint.

Clean the mating surfaces and remove sharp edges before assembly. A small particle or burr can occupy a meaningful portion of the thin section and create uneven contact. The washer should sit without being stretched around unsuitable hardware, and the closing parts should apply the intended compression. Select the silicone formulation for the actual load, temperature, and contact substances. Evaluate the complete assembly rather than assume a thin layer will correct an uneven support surface. During disassembly, inspect for cuts and distorted edges. Replacement should preserve the exact thickness and profile, since adding another washer or choosing a thicker section can change the joint spacing and the way surrounding parts align.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. The washer should sit without being stretched around unsuitable hardware, and the closing parts should apply the intended compression.

Custom dimensions

A small particle or burr can occupy a meaningful portion of the thin section and create uneven contact.

Fit & assembly

Evaluate the complete assembly rather than assume a thin layer will correct an uneven support surface.

Use & inspection

Clean the mating surfaces and remove sharp edges before assembly.

Photos illustrate structure or material only. A thin silicone rubber washer provides a compact annular contact layer where available thickness is limited. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.