Quote:
Originally Posted by 4by4
Maybe I do have it.
Since I have now not washed my car for 3 weeks, I can feel a gritty dust on the paint. Maybe this is it?
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No that's just road debris, the backs of our cars are magnets for road debris, etc. coming up from underneath the car and quite possibly what the OP is seeing as well. Glass pack fibers would be just that, actual fibers and those would look quite different from grit, dust, sand, dirt, etc.