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Old 23-08-2018, 07:25 PM   #1
CLCC
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2nd Attempt at Wet Sanding

Following on from my 1st Attempt at Wet Sanding (http://www.detailingworld.co.uk/foru...d.php?t=407970) here is my 2nd Attempt at Wet Sanding.

https://youtu.be/NiU4_MLKnL0

Perhaps naively, I had thought that wet sanding with 1500, 2000, 3000, 5000 (by hand with a sanding block) and then compounding and polishing with 500, 2500 and 3800 with a rotary and foam pads would completely remove orange peel, but this wasn't the case for me.

I think it has greatly improved the orange peel, (and clarity) but not removed it entirely. Those who have much more experience with wet sanding, is that what would be expected with the above mentioned method and materials, or do you think there is something lacking in my technique?

Many thanks

Chris
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Old 23-08-2018, 08:05 PM   #2
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Here are some stills.
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File Type: jpg 2018-08-23_18.59.30.jpg (78.7 KB, 200 views)
File Type: jpg 2018-08-23_18.58.39.jpg (79.9 KB, 175 views)
File Type: jpg 2018-08-23_18.57.54.jpg (72.9 KB, 164 views)
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Old 23-08-2018, 11:04 PM   #3
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something I've never done to remove OP, i was tempted with my Renault Clio being black and it was terrible for orange peel. I never did it as was in a stage where i took a step back from detailing and was between owning a machine polisher at that time, and hardly justifiable on a car like a Clio.

I think you have done a really good job, would be good to see some shots from a bit further away if you get chance, like down the side of the car maybe. You have massively improved it as you can see from the first photo with the wheelie bin in it

Just missed video, shows a bit more detail, looks good

Last edited by Christian6984; 23-08-2018 at 11:06 PM.
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Old 23-08-2018, 11:55 PM   #4
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When op flatting, the key would be to get the surface flat, those peaks will show as dimples so working to get the surface constant will be challenging.

I have some numbers from bare paint to wet sand then cut then polish, which show the overall amount of clear removed, in just guessing unless you know the amount of initial clear you have will be a problem or opportunity for degrading the surface too far.

Justin Rose / Kevin Brown have some great wet sanding information on Utube I will try to post the link.

Wet Sand Measures
Bare Paint 5.16 t/mils
Sand 4.31
Cut 3.94
Polish 3.88



https://youtu.be/BgCmrGMhvss

John Tht.

Last edited by Titanium Htail; 24-08-2018 at 12:10 AM. Reason: Changed Tab...lol
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Old 24-08-2018, 11:24 AM   #5
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Quote:
Originally Posted by Titanium Htail View Post
When op flatting, the key would be to get the surface flat, those peaks will show as dimples so working to get the surface constant will be challenging.

I have some numbers from bare paint to wet sand then cut then polish, which show the overall amount of clear removed, in just guessing unless you know the amount of initial clear you have will be a problem or opportunity for degrading the surface too far.

Justin Rose / Kevin Brown have some great wet sanding information on Utube I will try to post the link.

Wet Sand Measures
Bare Paint 5.16 t/mils
Sand 4.31
Cut 3.94
Polish 3.88



https://youtu.be/BgCmrGMhvss

John Tht.
Thanks, that was one of the videos that I watched before I started. I think with those kind of videos they tend to highlight the best bits, rather than any limitations of the technique. Or, for example, say if you are getting result x, try doing y. So that's why I'm not sure if I am naive in expecting OP "removal", rather than "improvement"

I watched the below video from Autogeek which claimed OP "removal" but there was still a LOT of visible OP at the end.

https://youtu.be/_Z1ZaF10nbo
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Old 24-08-2018, 12:17 PM   #6
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Video 2 is better than video 1. I can now see a difference between the 2 doors. I've never wet sanded before. I don't think I would fancy doing a whole panel on my first attempt.
I'd try a spot repair though.

Good Job.
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Old 25-08-2018, 12:21 AM   #7
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dont know if this one helps any more, stumbled on it last night somehow. Showed how OP could be levelled and how much clear is being removed by the 1500/3000/compound/polish stages

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Old 25-08-2018, 02:52 AM   #8
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I am lazy in that I cannot bring myself to go through the whole process of wetsanding but love the results. I did a bonnet once and it took me the whole day.

Recently I have tried using denim pads, and although they have improved the orange peel it is still there. I think the trick is not to use a foam backing pad so the pad hits the surface much flatter but I am still testing.

Great job and effort by hand though.
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Old 25-08-2018, 03:53 AM   #9
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It's s bit like sanding headlights when you only know if you have gone sufficient deep at the end result.

Check out ChrisLarson Master wet sander global trainer. He uses only 3M plus wool chrislarsonautodetailing@gmail.com for his products he is the �� �� guy.
Larson Services.
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Old 26-08-2018, 04:38 PM   #10
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Quote:
Originally Posted by david_h View Post
I am lazy in that I cannot bring myself to go through the whole process of wetsanding but love the results. I did a bonnet once and it took me the whole day.

Recently I have tried using denim pads, and although they have improved the orange peel it is still there. I think the trick is not to use a foam backing pad so the pad hits the surface much flatter but I am still testing.

Great job and effort by hand though.
Thanks. Yeah it's a very time consuming process! Perhaps I am wasting my time with the 2500 step. Or others say the 5000 grit step, but I was struggling to compound out 2500, so the paper set I brought for 3000 also included 5000 and 7000. I figured if I was struggling with 2500, that it was better to use 3000 and 5000, rather than 3000 alone.

I'm still working on my process, I think the 2nd Attempt was better and faster than the 1st. So hopefully the 3rd or 4th will be better. I reckon by the 5th I should be ready to charge money for doing supercars.
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