Food grade silicone heat resistant soft rubber rings

Soft rubber rings in a silicone configuration can be selected for equipment that experiences heat and cleaning as part of normal use. The important fit is the ring's contact condition after those cycles as well as during initial assembly. The selected compound and finished part should be assessed for the actual food contact conditions where that use is intended.

Match the section and diameter to the retaining groove or mating face. Include the space available as adjoining components heat and cool, and avoid relying on softness to fill an uncontrolled gap. Cleaning substances and the way the ring is removed can affect its condition alongside temperature.

Handle the ring without stretching one small region to lift it from its seat. Inspect its surface and recovered shape before reinstalling on clean faces. A ring that remains distorted or shows a damaged contact edge should be replaced with the specified version. If the same distortion returns, examine the groove, closing condition, and cleaning process together before choosing a different size that may change compression elsewhere.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. Include the space available as adjoining components heat and cool, and avoid relying on softness to fill an uncontrolled gap.

Custom dimensions

Match the section and diameter to the retaining groove or mating face.

Fit & assembly

Handle the ring without stretching one small region to lift it from its seat.

Use & inspection

A ring that remains distorted or shows a damaged contact edge should be replaced with the specified version.

Photos illustrate structure or material only. Space around a soft ring can change as adjoining equipment heats and cools. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.