Customized flexible silicone gaskets/silicone rubber washer

Flexible silicone gaskets can follow an outline whose sealing width changes around openings and fastening features. Narrow regions need enough support to remain located when the adjoining face closes. The custom shape should reach its intended position naturally instead of being stretched across a wide section to align a smaller one.

Define the thickness, perimeter, and locating geometry against the finished mating surfaces. Select the formulation for the actual medium, temperature, and cleaning process. A washer option around a single opening needs the same attention to supported contact, even with a simpler outline.

Place the gasket flat and inspect narrow transitions before fastening. Bring the faces together evenly without dragging the rubber. During maintenance, look for tears or folds at changes in width and compare them with the local support. Correct a locating or face problem before replacement instead of cutting away a damaged-looking edge that may be part of the sealing path required by the original joint.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. The custom shape should reach its intended position naturally instead of being stretched across a wide section to align a smaller one.

Custom dimensions

Flexible silicone gaskets can follow an outline whose sealing width changes around openings and fastening features.

Fit & assembly

Place the gasket flat and inspect narrow transitions before fastening.

Use & inspection

Correct a locating or face problem before replacement instead of cutting away a damaged-looking edge that may be part of the sealing path required by the original joint.

Photos illustrate structure or material only. A washer option around a single opening needs the same attention to supported contact, even with a simpler outline. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.