Molded transparent silicone rubber gasket/clear seal washer

A clear silicone rubber gasket in washer form can make some placement details easier to see against a contrasting mating surface. Its transparency should be considered a visual characteristic of the finished silicone and section, while the bore, outside profile and thickness define the mechanical fit within the joint.

Develop the molded shape around the actual sealing land and any locating feature. Evaluate the sample under the lighting available during assembly, since the visible edge may be less obvious against a pale or reflective surface. Material selection should still follow the medium and conditions at the joint.

Place the washer centrally and inspect for a folded edge or trapped particle before closing the assembly. Do not rely only on looking through the body; examine the contact boundary directly where possible. During cleaning, avoid abrasive methods that score the silicone. If clarity changes with use, assess the surface condition and seating together so appearance is not used as the sole measure of whether the washer remains suitable for the joint.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. Evaluate the sample under the lighting available during assembly, since the visible edge may be less obvious against a pale or reflective surface.

Custom dimensions

Develop the molded shape around the actual sealing land and any locating feature.

Fit & assembly

Place the washer centrally and inspect for a folded edge or trapped particle before closing the assembly.

Use & inspection

During cleaning, avoid abrasive methods that score the silicone.

Photos illustrate structure or material only. Material selection should still follow the medium and conditions at the joint. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.