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Hi Modulus Vs Low Modulus definitions

Hi Modulus Vs Low Modulus definitions

Hi Modulus Vs Low Modulus definitions

(OP)
I am looking for a standard, guideline or specification that delineates the definition of HI-MODULUS versus LOW-MODULUS epoxies and polymers (tension and compression).

In other words, are there limitations for these properties, in terms of actual numbers, for a material to be defined as either a HI-MOD or a LOW-MOD polymer/epoxy?  

As I browse through many tech data sheets for various manufacturers, the terminologies for modulus seem to be used over a wide variety of actual mechanical properties. This gives the impression it is really up to the manufacturer to define it.  
 

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