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Paint expert required, new paint job is very brittle
#1

The cab has just left the paint shop.

It was done by a Dominican specialist who was supposed to be the best car painter on the North Coast of the Dominican Republic. The colour we eventually chose was a VW black called Deep Black Effect which has various blue, green, gold and silver mica flecks in it.

The prep work was excellent, not a blemish in sight. The finished product visually is also very good, but there is a but!

With the very slightest contact with anything hard on the painted surface, the paint just chips off down to the primer.

Before going back to the paint shop I would like an expert opinion as to what might cause this. Here are a few facts that I know:

The car was painted in a closed booth, but not an oven.
The climate here in the Dominican Republic is tropical, so it's hot and humid.
The paint brand was Dupont.
The deep gloss shine that we have, did not come from the gun like it. He sprayed a thick lacquer coat, then rubbed it down and polished it.

Is this something that will remedy as the paint cures? Or will it get worse? Is there a product that can add elasticity to new paint?

This was a full bare metal paint job, so I want to have as many facts as possible before I approach the shop. He's not going to want to do it again for free!
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#2

if he used lacquer that would be a problem for me. They do make additives for elasticity but it would only be used on flexible parts that are painted off the car. Quality paint properly applied should be fairly tough and should not easily chip. I'm not sure how much humidity could have played a roll in this though.
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