Custom food grade silicone rubber washer/neoprene rubber O-ring

A neoprene rubber O-ring should be selected for its actual groove and service conditions, while a silicone washer uses a different face contact. Keep these formats and compounds separately identified rather than choosing between them by similar outside dimensions. Where food contact is intended, assess the specific formulation and finished component for the actual substance, temperature, and cleaning process.

For the ring, define section size, installed diameter, and support in the direction of pressure. For the washer, check face dimensions and the closing gap. The chosen geometry should remain located without being stretched into an approximate seat.

Install the appropriate part on clean surfaces without twist or folds. During maintenance, inspect damage alongside the mating hardware and fitting route. Correct an uneven face, sharp edge, or unsupported region before replacement rather than treating a material substitution as a remedy for every sealing issue. Preserve the selected specification so the complete joint returns to its intended contact and cleaning conditions.

Material options

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

Hardness selection

Rubber: 30–90 Shore A. Silicone: 20–80 Shore A. For the ring, define section size, installed diameter, and support in the direction of pressure.

Custom dimensions

For the washer, check face dimensions and the closing gap.

Fit & assembly

The chosen geometry should remain located without being stretched into an approximate seat.

Use & inspection

During maintenance, inspect damage alongside the mating hardware and fitting route.

Photos illustrate structure or material only. For the ring, define section size, installed diameter, and support in the direction of pressure. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.