Sponge O-Rings
Sealing Solutions for
Demanding Applications

Sponge O-Rings
Sponge rubber, also known as cellular/foam/expanded rubber, is manufactured with the use of a foaming agent, which creates an air-filled matrix structure within the rubber. Sponge O-rings have a shore hardness of less than 40A. Western Rubbers manufactures sponge O-rings that not only offer excellent thermal stability across a wide range of temperatures but also commendable vibration, cushioning and damping properties.
Sponge O-Rings Overview

- Sound proofing, thermal insulations and vibration dampening
- High compression resistance
- FDA approved, Fire retardant, oil resistant, UV resistant
- Absorbs irregularities in sealing faces
Applications of Sponge O-Rings

- Automotive Industry
- Appliances & White Goods
- Construction
- Transportation
- HVAC

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