Gary

teetee580 replied 4 years, 9 months ago

The p800 (or 800 grid) is for finishing the sanding process prior to painting. In other words, it gives a smooth surface.
What I tend to do for cleaning nubs is; trim the nub down with a knife until there is only a fraction left, sanding the rest with p400, then p600 and lastly p800. Then I prime and paint the parts.
When not painting, even a…[Read more]
Steven replied 4 years, 9 months ago

don’t know about better but the higher the number the finer the abrasive and the smoother the finish. On the other hand this also means it’ll be more work and go through your sandpaper faster trying to grind down big imperfections. In general you want to use the highest grit sandpaper that you can that will still grind away the imperfection you…[Read more]
Gary replied 4 years, 9 months ago

So the high number the better and lower the number the worst, but what would 180 be like?
Gary replied 4 years, 9 months ago

what are the difference of p400, p600, p800, p1000, and p1200?
Steven replied 4 years, 9 months ago

like I said there isn’t a better. higher numbers are fore finer work, try grinding down a nub from the runner with p1000 sandpaper, then try it with p400 you’ll see that the p400 does it quite a bit faster with far less work. the higher number however will leave the smoother finish.

as for the difference between the numbers it’s basically the…[Read more]

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