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Silicone rubber damping

Silicone rubber damping

(OP)
I am looking for damping properties of silicone rubber. Does anyone either have them or know where to find them? I need the damping ratio and the viscous damping (in lbf.s/in/in3).

My actual product is silicone sealant Dow Corning 995. It is essentially just a silicone rubber with 40 durometer hardness. Dow Corning do not have damping properties for DC995, so if anyone knows of another 40A silicone rubber with measured damping properties it would be great.

Also, if anyone knows of a good source for rubber properties in general it would be helpful. Manufactures seem really stingy with this information. Mooney Rivlin coefficients would be super helpful too.

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