A clear coat will degrade faster than a pigmented finish. To increase flexibility, mar resistance, and chip resistance polyethylene is used as a plasticizer. The plasticizer will dissipate from the cured film as it ages over the years, resulting in less flexible, brittle condition. The finish becomes sensitive to abrasion and impact. If a chip or small pinhole occurs in an aged clear coat, moisture via capillary action, will migrate between the clear coat and the base color coat. The two films then detach.
Considering the vehicle is virtually 10 years old, has been exposed to elements including snow, sand, and salt in the winter, if the only failure is clear coat related, that’s quite an improvement when mid 1980 and older vehicles exposed to the same elements became rust buckets after 5 years.
There are variables to consider; how often a vehicle is washed, waxed or not waxed, garaged during winter creating freeze thaw cycling, & expansion/contraction. these are things that are related to the original adhesion performance.
Not every failure can be pinned on the manufacturer of the vehicle or the coatings, and some things like all of us, are not immortal.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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