The even film and the numbers you gave shows overanodizing. Going by the numbers, your anodizing at a current density of 14 amps per square foot. The time to anodize to 1 mil should be 52 minutes. The optimum coating for good dye qualities is .7 mil would be at 36 minutes. A couple more questions. What electrolyte ratio are you using and what kind of power supply? If you have Excel, check out the sticky on the 720 rule calculator.
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