What is the best resin of epoxy which have high resistant of strong aside?

the best epoxy for high chemical resistance is phenolic modified epoxy which are used for can coating interiors for chemical resistance in packing acids, alkalies and pesticides. They are stoved at 180 deg 12min

also Aromatic amine cure system have very good chemical resistance .

each resin have its properties after reacting with the curing agent , the different curing agent used the different properties you will get even with the same epoxy resin , what is the properties you need to have decide the suitable epoxy resin and curing agent to be used .