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Old 05-08-2004, 11:53 AM
paul e paul e is offline
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Location: white plains, ny
 
Join Date: May 2004
Posts: 5
Mein Auto: Supercharged '99 M3
This is the generally recommended procedure for fixing deep scratches and chips. The main problem with it is that its anything but quick.

Ive found Ive been able to eliminate the most time consuming part of the process; the sanding. The idea is you need to knock down the touchup 'blob' youve created, by building up the touchup layer. Ive found there is a product called 'Langkfa' which a a chemical solvent. The idea is, after letting the touchup dry for just about a half hour, til its dry to the touch, you take the thin plastic card in the kit, wrap it tightly in a fine cotton fabric (not terry which will tend to take the touchup out of the chip), apply a few drops of the Langkfa solvent to the cotton wrapped card, and gently go back and forth over the touchup until the 'blob' is no longer a blob, and is level with the surrounding paint. No more or youll remove the paint from the chip. When thats done, just go over the area with a polish, and youre done. After youre finished, and the paint has cured, then just appy wax to the area. I find I can do chips and scratches with this method in just a few minutes longer than it takes to allow the touchup to dry. I do all my touchups now this way, and believe me, its every bit as effective as the old wet sanding technque for 'knocking down the blobs'!
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