6. Test Specimens and Conditions
6.1 Apply the surface coating by appropriate means to a
smooth rigid substrate and cure properly, or use representative
panels cut from coated stock. The panels used, the curing
conditions, and the age of the coating prior to the test shall be
within the limits agreed upon between the purchaser and the
seller.
6.2 The film thickness of the coating shall be as specified or
as agreed upon between the purchaser and the seller.
6.3 Conduct the test at 23 6 2°C (73.5 6 3.5°F) and 50 6
5 % relative humidity.