m105 and removing sanding marks

[tomsteve]

i gotta say thank you for givin me the knowledge and all to do the buffing on my son's car myself. it is greatly appreciated.
now to the questions.... i colorsanded the new paint( base coat, clearcoat) with 2000 grit and got it all leveled pretty good. i am using a p.c. 7424 with lake country orange pad and m105. after 3 applications, there is still some (not a lot) sanding marks that my eye can see. the questions start with1) should i go to a more aggressive foam pad? 2) is it possible to overwork the m105? 3) should i apply more pressure?
i have only done a small area on the trunk lid and want to get the technique right b4 goin further.
i gotta say i think i like the m105 and just have to get the technique down. i planned on following up with 205 and, here's the last question, what to top it with?
thanks to ya'll for the advise and i sure wish i could figger out how to post pics!!!

[Carfire]

Re: m105 and removing sanding marks

I would try more pressure.
I do not know how much pressure you are applying though.
After that go to a more aggressive pad.
You can over work it, that is when it gets dry.
Although 205 may take out the rest.
Have you tried 205 yet?
That is what we are here for, to help you.

Good Luck!!
I am anxious to see pictures!!

[Mike Phillips]

Re: m105 and removing sanding marks

This must be the update thread?

http://meguiarsonline.com/forums/showthread.php?t=27398&page=2

now to the questions.... i color-sanded the new paint( base coat, clearcoat) with 2000 grit and got it all leveled pretty good. i am using a p.c. 7424 with lake country orange pad and m105. after 3 applications, there is still some (not a lot) sanding marks that my eye can see.

Thank you for posting this. What you're seeing is often called Tracers, these are the deeper scratches left behind after you buff out all the shallow sanding marks.

So often on other forums you'll have members telling members that you can use a DA Polisher to remove sanding marks and you can, but to what level?

What we tell people here on this forum is that the best tool for removing sanding marks completely is the rotary buffer.

• Will a DA Polisher like the PC remove sanding marks? Answer: Yes.
• Will a DA Polisher remove 100% of each and every sanding mark? Usually no unless the paint is very soft or you use really aggressive product and/or you invest a ton of time for the process.

The point being is the BEST tool for the job, the RIGHT tool for the job of removing sanding marks is the rotary buffer.

the questions start with1) should i go to a more aggressive foam pad? 2) is it possible to overwork the m105? 3) should i apply more pressure?
i have only done a small area on the trunk lid and want to get the technique right b4 going further.

Can you share how big an area and how much time for this one area? (Just guesstimate)

What you really need is a rotary buffer. If you want to use a DA Polisher to remove the sanding marks, Meguiar's does not have an official procedure for this because the best way and the right way to remove sanding marks is with a rotary buffer, not a tool with a clutch that will stop the pad from rotating when too much pressure is applied.

Your best bet at this point would be to get smaller pads, like 4" buffing pads. The reduced surface area of the face of the pad will make it easier for the PC to keep the pad rotating and thus removing paint.

At this time we don't offer any pads smaller than our 6" pads.

i gotta say i think i like the m105 and just have to get the technique down. i planned on following up with 205 and, here's the last question, what to top it with?

NXT Tech Wax 2.0 is a great finishing wax.

thanks to ya'll for the advise and i sure wish i could figger out how to post pics!!!

Just invest some time into reading through this thread and the links within it.

Working with photos on discussion forums

[tomsteve]

Re: m105 and removing sanding marks

yup.... the update. the weather turned prety darn quick and now it's nice enough here to get it all done. i was workin about a 20 by 20 area. i happen to have some 4" pads and think i'll try that and let ya'll know how it goes!!! thanks mike and joel!! great info again!!!

[Mike Phillips]

Re: m105 and removing sanding marks

yup.... the update. the weather turned prety darn quick and now it's nice enough here to get it all done. i was workin about a 20 by 20 area. i happen to have some 4" pads and think i'll try that and let ya'll know how it goes!!! thanks mike and joel!! great info again!!!

Shrink down to about 16" by 16" and use plenty of overlapping passes.
Push down as hard as you can while still keeping your pad rotating briskly, not in slow motion.

Best of luck to you...