Testing Techniques

PAINT ADHESION AND ABRASION TESTING

Q. We have some very basic adhesion/abrasion test equipment on site that doesn't give us a very quantitative answer as to whether a coating is good or not on a finished part. I am trying to gather information on testing techniques for coatings and perhaps a few coating testing laboratories.

A. You will find comprehensive chapters describing adhesion and abrasion testing in the 2001 issue of the Metal Finishing Organic Guidebook & Directory. You can get a complimentary subscription to Metal Finishing and the OGB by writing to Patti Ann Frost at p.frost@elsevier.com.

Another excellent source of information is the ASTM Volume 06.01 which describes all of the tests in great detail.

Instrument suppliers, such as BYK-Gardner - www.byk-gardner.com  and Paul Gardner Co. Inc. -  www.gardco.com provide excellent catalogs that describe these tests in detail.

There are several coatings laboratories scattered across the country and most of these are listed on the internet.

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