Carpro Cquartz UK3.0 Topped with SIC

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nmatthew

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I am going to coat my friend's daily driver, he asked me to do two layers on it.

Should I do 2 layers of CQUK or
1 layer of CQUK topped with Sic?

I know that topping with SIC will give more slickness and water spotting resistance, but how does it look compared to 2x CQUK?

Also, how many hours before applying 2nd coat of SIC ?

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I do one layer of each. Love that combo. I coat with UK, do the whole vehicle then apply Sic right after.
 
Ok I'll try this combo today, thanks for the help guys.

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Just finished applying 1 coat uk + 1 coat Sic.

I don't know why sic is very hard to apply for me..

This is the 4th time I applied sic. 3 of 4 was soft painted cars. Don't know why, but on these soft paints (Toyotas) I really had a hard time leveling the coating. It just left streaks all over the place and I have to use pressure to wipe it off.

It says that flash time should be 2 to 10mins. But even as early as 1.5 minutes have left me streaks. I coat the cars inside a garage, with temperatures around 28C or 86F. I use carpro suede applicator, applying half a panel at once.

On hard paint (Porsche) it was a different experience. Wipe off was easy and clear.

My bottle of sic was 2021 batch, opened it Nov 2022, is it the problem??


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Toyota soft paint can be finicky to coat and polish as it seems to absorb product. Hard to describe it but I have experienced on their white paint and a friend of mine experienced it on black paint.

That temperature is also high. Will affect the flash time along with humidity. UK seems to do better with high temp and humidity.
 
CQuartz SiC, which stands for Silicon Carbide as its main ingredient. The purpose being that it has more chemical resistance than UK 3.0 and is also supposed to help with mineral deposits (water spots). Can be used on its own but many like to add it as a second layer to UK 3.0.
 
The Guz said:
Toyota soft paint can be finicky to coat and polish as it seems to absorb product. Hard to describe it but I have experienced on their white paint and a friend of mine experienced it on black paint.

That temperature is also high. Will affect the flash time along with humidity. UK seems to do better with high temp and humidity.
Click to expand...

Glad you said this. I've had a horrible time coating my daughter's Honda Fit and could never figure out why coatings never seem to do well. Never had issues on our Toyota, Subaru, or the other daughter's Mazda...just that crazy Honda.
 
dgage said:
CQuartz SiC, which stands for Silicon Carbide as its main ingredient. The purpose being that it has more chemical resistance than UK 3.0 and is also supposed to help with mineral deposits (water spots). Can be used on its own but many like to add it as a second layer to UK 3.0.
Click to expand...

Thank you.
 
The Guz said:
Toyota soft paint can be finicky to coat and polish as it seems to absorb product. Hard to describe it but I have experienced on their white paint and a friend of mine experienced it on black paint.

That temperature is also high. Will affect the flash time along with humidity. UK seems to do better with high temp and humidity.
Click to expand...
I do agree that it seems to absorb the coating. This was a black paint too.

UK was much easier on my conditions but also on one panel I got a darker streak from the first line when applying the coating. Then I did more passes of cross hatch applications and it fixed the problem.

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[I've had a horrible time coating my daughter's Honda Fit and could never figure out why coatings never seem to do well. Never had issues on our Toyota, Subaru, or the other daughter's Mazda...just that crazy Honda.[/QUOTE]

Wow, I have experienced the same thing. I applied cancoat on my sister's Honda and it seems to do worse than the other cars i have applied cancoat on..

I thought I did sth wrong on my application, but I guess honda paint is just the way it is..

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Since some brought up the Honda Fit, I had a terrible experience coating that with McKee’s 37 paint coating but had zero issues using UK 3.0. Also couldn’t use Wolfgang Swirl Remover, it turned sticky and a nightmare to wipe off. CarPro Essence worked much better.
 
For me, it's the horizontal surfaces of the car. The vertical surfaces are just fine and after 2+ years the CQ UK beads like a champ. However, from day one the coating gave no appearance of being there at all. I recently tried TW Hybrid Ceramic Spray I'd purchased for a different use and it works fantastic. These days I just hit the hood and roof with that after I wash the car to ensure there is a little protection.

As for the polish, I've found finishing polishes work the best. In my case Optimum Hyperpolish is my go-to for Honda and Toyotas. They'll clean them up nicely with a mid-grade pad like an LC White.
 
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