Special-shape oil-proof EPDM rubber seal parts and gasket for machine

Custom EPDM rubber seal parts can follow a machine joint with an irregular outline, including changes in width or direction. The gasket geometry should match the actual contact path and the surfaces supporting it. Establish the sealing region separately from any tabs or exterior features used to locate the part during assembly.

Review corners and transitions closely. These areas can become stretched if the gasket is pulled into place from one end, leaving other sections with uneven contact. Position the part naturally within the joint and check that fastening does not displace a narrow region from its seat.

For oil exposure, choose the finished compound for the specific fluid and temperature; an EPDM designation should not be treated as universal oil compatibility. Evaluate the material and joint together under the intended conditions. Before closing the assembly, remove residue from the mating faces and examine the gasket for twists. On reopening, look for a pinched edge or a section that has moved away from the designed contact path.

Material options

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

Hardness selection

Rubber: 30–90 Shore A. Develop EPDM compliance around the machine joint changes in width and direction; each narrow region needs support during compression.

Custom dimensions

Custom EPDM rubber seal parts can follow a machine joint with an irregular outline, including changes in width or direction.

Fit & assembly

Position the part naturally within the joint and check that fastening does not displace a narrow region from its seat.

Use & inspection

Before closing the assembly, remove residue from the mating faces and examine the gasket for twists.

Photos illustrate structure or material only. On reopening, look for a pinched edge or a section that has moved away from the designed contact path. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.