`
`Yes, your next gasket should seal, but it could do more than that. A gasket is an excellent way of reducing the
`transmission of sound and vibration. That can extend equipment life and improve performance while creating a
`better environment for those nearby.
`
`Gasket Material Properties for Vibration Dampening
`
`The goal is to have the material acting like a spring: compressing and springing back in response to the excitation
`force. In other words, they need a combination of resilience and compressibility. Closed cell foams do this
`particularly well as the gas in each cell compresses and then expands.
`
`Compressibility also depends on the nature of the material used. Softer elastomers like some grades of silicon or
`the urethane foam used in PORON® compress under relatively light loads. Others, like some nitrile rubbers, need
`more force to achieve a given level of compression.
`
`For effective vibration dampening, compressibility, resilience and also thickness must be related to the excitation
`frequency and amplitude. Clamping force also plays a part as compression alters the material’s vibration response.
`
`Vibration Dampening Gasket Materials
`
`Silicone rubber and foam, nitrile sponge, and urethane foams can all attenuate vibration effectively. Less well
`known is that both felt and rubber-bonded cork material can also be used to cut or even eliminate the transmission
`of sound and vibration. Remember that the addition of a pressure sensitive adhesive (PSA) makes the material
`much easier to install or apply.
`
`Situations benefiting from vibration dampening
`
`Vibration-attenuating gasket materials are especially useful in HVAC systems where they can reduce noise
`significantly. Industrial machinery also benefits, with less vibration translating to higher quality output and longer
`equipment life.
`
`Page 1 of 2
`
`HAPTIC EX2008
`
`
`
`Elastomeric gasket material is found in a growing number of electronics devices. Here it improves life by
`“ruggedizing” the equipment against knocks or drops. Recently a patented was granted for a vibration-attenuating
`camera mount that utilizes two gaskets for dampening. (US 9,654,692)
`
`Next Steps
`
`Gasket material selection is a complex field where every application is different. If vibration reduction is of interest
`ask for advice from a Hennig Gasket specialist today.
`
`FAQs
`Comments are off for this post
`
`Phone: (312) 243-8270 | 1-800-747-7661
`
`Fax: (312) 243-7855 | 1-800-246-8955
`
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`
`Chicago, Illinois 60608
`
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`© 2025 Hennig Gasket & Seals
`
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`
`Page 2 of 2
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