Custom molded silicone washer/SBR rubber gaskets with grooves

SBR rubber gaskets with grooves should remain identified by both their material and molded profile. A silicone washer may use a different compound and contact section, even if its visible outline resembles the gasket. Match the selected version to the actual joint, including the orientation of its recessed features.

Check the mating surfaces, groove engagement, and available compression. Choose the formulation for the medium, temperature, and cleaning exposure. Recesses should be accessible for inspection where trapped residue would affect the intended contact.

Install the grooved part in its designed orientation without stretching or flattening its features. Inspect for particles and folded ridges before closing the joint. During maintenance, compare damage with the corresponding mating feature and correct misalignment where necessary. Preserve the complete specification during replacement rather than selecting a flat washer solely because it covers the same opening, since removing the grooved profile changes the joint's original contact and locating arrangement.

Material options

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

Hardness selection

Rubber: 30–90 Shore A. Silicone: 20–80 Shore A. Install the grooved part in its designed orientation without stretching or flattening its features.

Custom dimensions

A silicone washer may use a different compound and contact section, even if its visible outline resembles the gasket.

Fit & assembly

Check the mating surfaces, groove engagement, and available compression.

Use & inspection

Recesses should be accessible for inspection where trapped residue would affect the intended contact.

Photos illustrate structure or material only. A silicone washer may use a different compound and contact section, even if its visible outline resembles the gasket. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.