Opinions on masonite and other grounds for oils

Hello everyone,
I would like to ask if anyone would share opinions or experiences with using masonite or other boards or panels for oils. I purchased some masonite panels (Houston art brand) from a local art/craft supplier and after checking some major art suppliers and doing some searches on the net I was suprised to find no info on painting on panels or anyone offering masonite or other panels and I was wondering the reason for this? do they not stand up to the test of time or is there other issues?

Thank you for sharing your opinions and experience.