Water Beading on Lenses

[Bois]

Guess this is my day for questions.

Just wondering. Some times after sanding lenses, but before buffing, water from my spray bottle beads up on the lens when I go to clean them with paper towel. Does this mean I've got good clean lenses? Or, do I still have old coating that needs to be removed?

[CV Windshield Repair]

What grit of sand paper are you using?

[Bois]

Usually start with 600 and then 1000.

[mrchip]

after sanding dry off h/l..it should be an all around even gray haze..if you see a difference in haze (outline of difference) then its not all removed..some h/l have real hard film to remove like cherokees..I don't think 600 will remove it...if h/l was real hot after sanding that would make water bead..any comments?

[gt_repair]

I get the water repelling affect also but as long as you have all the old sealer removed, it should not make a differance in the resealing of the light. I would take it to 1500 also. I also use the white scotch bright pads along with my orbital or by hand wet, That will help clean it up before aplying the compound then the sealer.

Don D.

[CV Windshield Repair]

Does anyone after polishing the headlight go over the lense with a cleaner to ensure that it is free of polish before they seal the headlight? If you do what do you use?

[gt_repair]

I use DVELP's Yellow X after aplying the compound, then hose it down, dry and aply sealer.

Are you useing DVELP's syst. or winging it on your own with trial and airer?

Don D.

[Chips-B-Gone]

Originally Posted by mrchip

after sanding dry off h/l..it should be an all around even gray haze..if you see a difference in haze (outline of difference) then its not all removed..some h/l have real hard film to remove like cherokees..I don't think 600 will remove it...if h/l was real hot after sanding that would make water bead..any comments?

600 will work but it takes a bit longer to do. I usually start with 360 or 400 grit then proressively move to 600, 1000, then 1500. They turn out almost better than new.

[Bois]

Thanks all for the comments. At least it's not just me getting the water beading effect.