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deflection of extruded silicon

deflection of extruded silicon

deflection of extruded silicon

(OP)
I have a client with an extruded silicone rectangular tube with outer dimensions 54mm width, 10mm height and inner dimensions 30mm width, 6mm height.  The Shore A hardness is 60. My first question is: does the Shore number affect the compression deflection force?  The second question is how to determine the force necessary to deflect the interior of the tube 50% of the inner height (or 3mm)?

RE: deflection of extruded silicon

There is no easy way to predetermine the load deflection curve for such a part. Testing is you best bet as even FEA analysis requires experimental varification when it comes to rubber.

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