Hi MrM1,
All latex comes in a range of ILD’s and is never an exact number either across the surface or from layer to layer see post #6 here). Some retailers or manufacturers specify the “rated” average number and some specify the range. You can see the typical ILD range for Radiumlatexhereforeachoftheirfirmnesshttps://uploads.mattressunderground.com/outside/0https://uploads.mattressunderground.com/outside/1https://uploads.mattressunderground.com/outside/2https://uploads.mattressunderground.com/outside/3https://uploads.mattressunderground.com/outside/4https://uploads.mattressunderground.com/outside/5https://uploads.mattressunderground.com/outside/6https://uploads.mattressunderground.com/outside/7https://uploads.mattressunderground.com/outside/8https://uploads.mattressunderground.com/outside/966/NewRadiumILD1_2014-04-17.gif]Radium0feel.
One of the advantages of component mattresses is that you can always make it firmer either by moving firmer layers up or moving softer layers down in the mattress.
Congratulations on your new mattress
I’m looking forward to your feedback when you receive it.
Phoenix