cheesy1
01-16-2006, 01:48 AM
If you've read any of my other posts, then you know I'm as rookie as they come.
This is a great website, and guys who contribute answers and advice to the forum and greatly appreciated.
Here is my question/problem:
I'm repairing a wheel on my car. Painted alloy. No problems with the color match or spraying. My problem is that after I've laid down my basecoats, and I get down really close to inspect it (because paint seems to magnify any imperfections) I keep finding sand scratches under the paint. In the end, I've just decided to clear over them and call it good. After all.. it's on a wheel and once you step back 18" you don't really see it anyway. But I want to get them right.
This is has been my process: I'm filling with Icing, Sanding down with 240 until it's "close" then wet sanding with 500,800,and/or 1000 depending on how they look.
I then prime, and look for uniform surfaces. Which.. I always find one or two. I refill those and repeat my sand process. Then prime again, and wet sand with 1000 til it feel smooth by my finger.
The problem I run into is that when I look at my final product (Ready to paint) I can see all sorts of surface scratches in it. But it feels silky smooth, and I figure it's just the dullened effect of the 1000. Then I clean, tack and lay down my paint and they stand out like a neon light.
The first time I did this I figured, "eh.. first time mistake. I'll get it right on the next one." But the next one has them too. Not as bad, but they are there.
Am I just not wet sanding long enough? Wrong grit? I don't it.
What grit is used when first taking down your filler? Do I take it all the way down to where it is only showing in my low spots, or should I leave it covering a large area? And what should be the last grit to touch your surface before you paint?
Any help would be greatly appreciated.
Thank you.
This is a great website, and guys who contribute answers and advice to the forum and greatly appreciated.
Here is my question/problem:
I'm repairing a wheel on my car. Painted alloy. No problems with the color match or spraying. My problem is that after I've laid down my basecoats, and I get down really close to inspect it (because paint seems to magnify any imperfections) I keep finding sand scratches under the paint. In the end, I've just decided to clear over them and call it good. After all.. it's on a wheel and once you step back 18" you don't really see it anyway. But I want to get them right.
This is has been my process: I'm filling with Icing, Sanding down with 240 until it's "close" then wet sanding with 500,800,and/or 1000 depending on how they look.
I then prime, and look for uniform surfaces. Which.. I always find one or two. I refill those and repeat my sand process. Then prime again, and wet sand with 1000 til it feel smooth by my finger.
The problem I run into is that when I look at my final product (Ready to paint) I can see all sorts of surface scratches in it. But it feels silky smooth, and I figure it's just the dullened effect of the 1000. Then I clean, tack and lay down my paint and they stand out like a neon light.
The first time I did this I figured, "eh.. first time mistake. I'll get it right on the next one." But the next one has them too. Not as bad, but they are there.
Am I just not wet sanding long enough? Wrong grit? I don't it.
What grit is used when first taking down your filler? Do I take it all the way down to where it is only showing in my low spots, or should I leave it covering a large area? And what should be the last grit to touch your surface before you paint?
Any help would be greatly appreciated.
Thank you.