Media Blast Pretreatment + Primer Coat + Top Coat + Clear Coat - Pre treatment increases adhesion of the powder coat to the metal. This is the best finish solution available through Rack-it. We begin by media blasting the entire surface of the rack. This process provides good bonding of the coating to the material due to the surface profile left by the blast media.
In the upgraded powder coating process, a uniform mixture of electrostatically charged powder particles containing plastic resins and pigments (that impart color) is sprayed on a pretreated metal surface. It is then cured in an oven. In the oven, the powder goes through a gel and hardening stage that ensures a uniform, drip free surface.
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