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Re: Neoprene Question

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AASHTO provides us ‘Elastomeric Bearings’ Compressive Stress (psi) / Compressive Strain (%) charts for Durometers 50 and 60 for Shape Factors 3 thru 12. You should be able to calculate the modulus of elasticity based on these charts.


For example - for Durometer 50, Shape Factor 5,


Compressive Stress = 500 psi

Compressive Strain = 5%


So, E (modulus of elasticity) = Stress / Strain = 500 psi / 5% = 10,000 psi    


I believe the modulus of elasticity should be same for tension and compression.


T.J. Fu

On Tue, Dec 6, 2011 at 10:40 PM, Lakhani, Sid <slakhani(--nospam--at)> wrote:

Dear All,


What is the modulus of elasticity of Neoprene 50A durometer hardness, ASTM D 2240?


Is the modulus of elasticity same for tension and compression?




Sid Lakhani, PE