if the rain stays on the car…

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ncee

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is that a good sign, it needs to be polished, and or, wasn't done right?

After a recent rain storm, I noticed that the rain drops pretty much covered the car. While some (the hood area), did come off once I started to drive, the rest was still on the car when I stopped a short time later.

So, if I did a good job, would most to the rain slide away after a rain, and would this happen after washing / rinsing the car?

I did recently purchase:

- Pinnacle Signature Series II Wax Kit
- Some Meguirs Buffing Pads
- NanoSkin Auto Scrubber and more

in hopes to give my car a great shine.

I did a "Quick" try of these products to see how they work. And did see a difference, yet the rain drops still didn't run off the car.

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Do you mean beads or does the water just like sit there and sorta look stuck to the paint?
 
If the car was surgically clean then the rain drops should sheet off provided you're using a descent wax or sealer. There could be a minimal amount of dirt or dust on the surface that's "holding" the water in place.
 
If the water is flat and appears to be in puddles, it would definitely need a coat of wax. If the water is beading with some height, it would suggest that the wax is working.
 
c8n said:
If the water is flat and appears to be in puddles, it would definitely need a coat of wax. If the water is beading with some height, it would suggest that the wax is working.
Click to expand...

no beading does not mean there is no wax/sealant
 
ncee said:
I did a "Quick" try of these products to see how they work. And did see a difference, yet the rain drops still didn't run off the car.

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Click to expand...

So you didnt do a full detail, and the word "quickie" to me translates as you rushed it to try stuff didnt do it properly, thus you really did nothing. I think thats where the error is. If you want optimum results, you can't do a "quickie", you have to do it right!

So get back on the horse!
 
minorc said:
If the car was surgically clean then the rain drops should sheet off provided you're using a descent wax or sealer. There could be a minimal amount of dirt or dust on the surface that's "holding" the water in place.
Click to expand...

That assumes that the coating has a sliding angle not more than zero degrees and that the panel is at a gradient. In the real world, sliding angles (distinct from contact angles) are notably greater than zero degree. Even if your panel was surgically clean, if the sliding angle is larger than the gradient the panel sits at (which is often the case, except for side panels), you will get droplets formed which will not slide off. Dirt merely exaggerates this.

I have never seen any product, on any vehicle, in any condition, shed even close to every drop of rain unless the vehicle is moving.
 
Ok, all great comments. I did a real good wash, and nanoskin to the hood and trunk. Then did the cleaning wax, then the carnuba wax.

The car in question is a 2012 Toyota Avalon.

Yes it is mostly beads. I was thinking although the surface feels nice and smooth, there might be something still left behind that was keeping the water from just sliding away.

Some parts of the car, seem to have water spots as well? Is this mean, I need to work harder at getting the wax off? Is it likely to be rain water with pollutants?

A lot going on, but over the weekend, I'll do it all over again, and make sure to take my time. Will I find it easier and better results if I use an orbiter buffer instead of by hand?

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