redbenjoe said:ok --got it - thanks again -
perhaps i will experiment on a bunch of ramons grails -
prior to fking up mine
Plexi scratches, dont be afraid! It's easy to fix!
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redbenjoe said:
The pressure applied is lessened to some extend by the foam. Pressure applied, the speed, size of the particles in the media or papers all are factors that influence the heat generation. Some plastics haze with heat before it deform and melt and it is an irreversible damage. The passes we make should be uniform also or else will result in high and low areas. The worst thing to happen is trapping any debris on the rotating pads. That will make ugly pigtails on the surface.
P2500 grit paper got Average particle diameter 8.4 µm.
P2000 grit paper got Average particle diameter 10.3 µm.
P600 grit is a 25.5µm.
P400 grit is a 35.0µm.
I would start with P2000 like Joe did and work it through.
Once I worked on the polycarbonate headlight lens with a drill and pad. I cleaned the surface pretty good before I started the work. There were a few small dings on the surface trapping debris and it got on the rotary pad and made several ugly pigtails.
Jeesh!!! You guys take on some horrendous abuse cases & make them good again...Dang!! That JVC looked pretty tore up before you got to it. Nice work & great advice!!! 
Excellent work and an incredible result you've achieved. Many thanks for sharing your skills & tips, I know this will prove useful to me. 
redbenjoe said:ok --got it - thanks again -
perhaps i will experiment on a bunch of ramons grails -
prior to fking up mine
then you can try the reverse order of sand paper too... 3000 to 200.. hahaha!
I am falling off my chair laughing!
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