These are the same pads that are included in the glass polishing kits. I will see if I can find a windshield to do a test on, but i know it does work with many of the popular glass polishes(diamondite, auto glym, Dp glass restorer , etc.)
Ok I used the Diamondite Glass Repair Kit that has a polish and those discs as well as a special backing plate. I just did 2 passes on my coffee table using a UDM as the pads do not fit my flex Orbital backing plate. Well there were some pretty light scratches and some pretty deep scratches. I followed the directions and worked the polish using those small discs.
Results= This system did nothing to correct the glass. I even tried using some Menz Power Gloss compound. Nadda! Now I'm not sure if there is some major difference between the glass on my coffee table versus the glass on an automobile but I can tell you I now have very little expectations for this product. I believe that it is probably good for slight etching problems or haze but if you are thinking these will remove scratches of any kind I am going to say Most likely NOT! so save your money. Cleaning glass I'm sure they are ok but not sure if they are any better than an orange or yellow foam pad.
i got this stuff that might work. If i may suggest trying Nu Glass by Duragloss. It isn't very expensive, but i used it for the first time the other day and i was amazed with the results. I say it's a must have. Can't go wrong for the price. Slap it on a orange pad if you have one and test out a section of your glass. Let me know if that works out for you.