Is it just impossible to match white paint?

[cjmatt]

how come all the cars I ever see that are white, the paint never matches on resprayed parts...

 

[steve581581]

road tar, fading, dirt, the list goes on and on

 

[1BADAIR]

lol. the paint supervisor and i were talking about this today

 

[smooth]

Because white is a solid color and 99.9% of resprays are not blended, usually a panel paint. White pigment is the heaviest and tends to settle, improper mixing can cause many shades of white. Not to mention the hiding power of white is strongly based of solventation,resin system & binders....every paint company formulates differently

 

[jdustu]

Awesome thread to come across while my white truck is getting un-wrecked...:lol:

 

[cjmatt]

Because white is a solid color and 99.9% of resprays are not blended, usually a panel paint. White pigment is the heaviest and tends to settle, improper mixing can cause many shades of white. Not to mention the hiding power of white is strongly based of solventation,resin system & binders....every paint company formulates differently

So whats the secret? Im gonna do a hood and cobra bumpers on my new edge and want it to look niiiiice

 

[smooth]

So whats the secret? Im gonna do a hood and cobra bumpers on my new edge and want it to look niiiiice

The secret is to choose a paint company you want to use ie; PPG,DuPont,Sikkens,BASF etc. Find the color standard and all of it's variants, polish up a 2ftX2ft area of the car that will be adjacent to the panels, in the sunlight or using a 3M SunGun check all the color chips to see the best match. Me personally when spraying covers, I don't blend quarters or fenders because the angle of the cover usually gives a different Hue/Shade than the body, so it's more work than what it's worth, kinda like putting 2 identical panels at a 45* angle they show different shades of the color. In 2000 they had 2 whites, Crystal/Ultra white code ZR and Oxford white code Z1

Also side note, it's a good thing to have black & white hiding charts near the panel your spraying so you know when the color has stabalized, this will rule out any possible low film situations that usually cause off color whites

 

[Quick86]

One thing I learned also from talking to some of the paint guys at GM......


Apparently the temps they bake the cars at are VERY high at the local plants... And one of them was telling me that one reason why we see some white cars that can be from the same year and same plant and same paint code --- is due to the paint repair process if something happens to the vehicle as it goes down the line...


They'll repair the paint and rebake it at the same high temp. They've told me that if they have to do more than 1 repair on a car they'll find white paints get a yellowish tint to them and they start adding a tint to their color when they do the paint repairs....



Another thing is the suppliers are also the ones painting bumper covers. That's why you'll see a car thats brand new with a bumper cover that doesn't match sometime




White isn't the only victim of this - look at Dodge Charger front bumpers... Yellow, Silver, and Red to be specific..