[OldRestorer]

Welcome to the forum, the corrosion under the paint will have to be removed by breaking the bubbles and sanding the area. Then you will need to put on some rust killer. If the damage has pitted the metal you may have to fill the defects with Bondo and spot repair. The only other way is to completely strip and repaint the turntable. Flocking is very easy but the first purchased will run you about $30 for the supplies. As Terry said, the platten looks pretty good to me. Flockit.com is good for the supplies. I do not use their glue since it is expensive. I use spray paint in a similar color to the flocking. Just spray paint the platten and apply the new flocking with the squeeze bottle they sell. You will have to scrape the old flocking off before applying any new. I usually apply two coats of flocking.