Aluminum Window Powder Coating Pretreatment: The Step That Makes the Finish Last
The step that decides longevity The broader aluminum window powder coating process gets attention for color, gloss, and cure temperature, but the finish does not live or die in the oven. It lives or dies in pretreatment. A premium powder laid over oily, oxidized, or salt-contaminated aluminum can fail faster than a basic powder laid over a properly prepared surface. That is why the hidden prep stage matters more than the brand name on the powder box. ...