High quality lock and lock rubber gasket with good price

A lock and lock rubber gasket provides a custom sealing element for a latching container-style closure. The gasket outline and cross section need to match the actual lid groove and container rim. Similar-looking containers can use different seal profiles, so the complete lid geometry should guide selection.

Check the corners, locating features, and available compression when the latches close. The gasket should remain seated without stretching around the lid or bunching at a corner. An overly thick replacement can make the latches difficult to close, while an undersized section may leave insufficient contact.

Select the compound for the contents, temperature, and cleaning routine, including any applicable food-contact requirements. Clean the gasket and its recess before fitting, removing residue beneath the sealing surface. Refit it evenly and inspect the closure after opening and closing the lid. The complete container determines permitted storage, heating, and leak conditions. A replacement should match the exact lid profile rather than imply compatibility with every product sharing a similar latching design.

Material options

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

Hardness selection

Rubber: 30–90 Shore A. The gasket should remain seated without stretching around the lid or bunching at a corner.

Custom dimensions

The gasket outline and cross section need to match the actual lid groove and container rim.

Fit & assembly

Check the corners, locating features, and available compression when the latches close.

Use & inspection

Clean the gasket and its recess before fitting, removing residue beneath the sealing surface.

Photos illustrate structure or material only. The gasket outline and cross section need to match the actual lid groove and container rim. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.