Wet sanding should always be followed by compounding and polishing because it leaves a hazy surface.
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Do I polish or compound first?
It acts like sandpaper to gradually remove surface layers and eliminate scratches. After compounding, polish is used to remove any remaining defects.
Should I wet sand before polishing?
When you wet sand to 800-grit, then you should start buffing with a coarse polishing compound. If wet sanded to 1200-1500 grit start, with medium compound. (In both cases proceed through all buffing stages.) Use 1500 and 2000-grits for ultra-delicate sanding.
How do you get wet sand scratches out of clear coat?
You can tell if the scratch is just in the clear coat by wetting the scratch. If it disappears for a few seconds when it’s wet, that usually means it’s just in the very top layer. This type of scratch will be easily removed with a little bit of wet sanding and buffing.
Can I clear coat after wet sanding?
Re: Why isn’t applying clear coat after wet-sanding or cutting standard auto detailing practice? Applying clearcoat perfectly requires a spray booth and training in painting. Even with that, you get orange peel that needs to be wet sanded after a day or two of curing.
Do I use compound then polish?
After compounding, polish is used to remove any remaining defects. A handheld polishing machine has a motorized spinning head that can spread polish on a car’s surface to remove microscopic layers of paint and restore a vehicle’s smooth surface. Polish acts like finer grit sandpaper than compound.
Should I use Ultimate compound or polish?
On most clear coats Ultimate Compound is just aggressive enough to be able to remove most defects and the Ultimate Polish finishes it out really nicely when combined with a quality foam pad. On harder clear coats you can still remove most defects by using it with a microfiber cutting pad.
What is the difference between compounding and polishing?
Both polishing and compounding are similar, but they each target a different end-result. Polishing focuses on the end result of a shiny, smooth car surface while compounding focuses on correcting car issues such as scratches and uneven surfaces.
What grit sandpaper should I use for wet sanding?
between 600 and 1,200
What Grit Sandpaper Should I Use? When you’re first beginning to wet sand your material, you’ll want to start with a grit between 600 and 1,200. Once you choose your starting grit, you’ll follow dry sanding standards to increase the by 200 to 500 grits per pass to get the finish you want.
What grit sandpaper do you use to wet sand a car?
If it’s a minor scratch you’re looking to repair or wet sanding a new car, use 2000 or 3000 grit sandpaper. To resolve deep scratches, use the 1200 or 15000 grit sandpaper.
What compound is after 2000 grit?
3M Paste Rubbing Compound is specially designed to remove fine 1200, 1500 and 2000 grit sanding scratches in a wide range of automotive paint including clear coat. This compound for collision repair adds a fast cutting option to a complete paint finishing system, created for deeper colors and glossier finishes.
Why do I see sand scratches through my paint?
Sanding marks or grooves are a set of scratches that have not been covered or filled in with the paint coat. It is a paint defect that usually appears under the finish coat. Sanding marks are mainly caused by too coarse a sanding in the prepared areas or by a lack of paint filling power and levelling.
Should you polish after clear coat?
If you have recently applied clear coat to a paint job, it’s time to buff it out to a high shine. Clear coat should be allowed to harden for at least 24 hours before attempting to use a buffer. In most cases, you will be trying to remove “orange peel” when buffing a new paint job.
Can you clear coat over polishing compound?
In order to paint clear on it again, you actually need to do some more sanding, scratching the surface even more. With the newly-painted panel polished, new clear coat won’t stick and will most likely peel off of what you have there already. You want to hit the surface with some 1000 grit wet sanding.
How do you fix sanded clear coat?
One fully dried, use 2000 grit sandpaper to wet sand and grind down the border of the repair, blending the new clear coat with the older clear coat. Remember, you are trying to blend, not remove layers. Finally, clean the area with rubbing alcohol, and polish with a buffer. Use a slow setting and light pressure.
What is the difference between polishing and buffing?
The key difference between polishing and buffing lies within the grit of each abrasive. For example, polishing is typically performed using a high-grit abrasive. Buffing, on the other hand, is performed using a low-grit abrasive.
Do I need polish after ultimate compound?
Like NFA stated UC always leaves me with a good finish when used with a orange ccs pad. Just follow up with any light polish such as Ultimate Polish or M205. If using ultimate polish remember to wipe or wash away all the oils left behind to see the true condition of the paint.
When should you use compound on a car?
WHEN SHOULD YOU USE A POLISHING COMPOUND?
- Remove light scratches.
- Remove watermarks from paint or in some cases glass (if the window cleaners have failed to work)
- Remove stains or light oxidation from most automotive finishes.
- Treat other less severe imperfections on newer cars.
Will polishing compound remove scratches?
Buffing an area with polishing or rubbing compounds removes scratches and blemishes, but they also remove wax.