I have tried to search but the search engine does not like three letter words like MDF. I am in the process of building a multi use bench out of MDF. It will be the mitre saw table and general light working table for drawing etc and not for any woodwork as such. I want a tough clear finish for MDF, can anyone help with prior experience. I imagine it might not be a good idea to use a water based finish on it or does this not matter?