You have many different options to compare materials on the Smooth-On website.
Your best option is to us the Compare Tool located here: https://www.smooth-on.com/compare/
Also, in order to compare different products within a series, you can utilize our 'Quick View' function. Just click the 'Quick View' link under a product name.
In addition, you can view all the materials' properties in chart form here: https://www.smooth-on.com/charts/