SUBLIMATION COATING

There are 2 basic stages of creating a desired coating effects in the Sublimation technique:

Surface treatment and Coating,

A pretreatment of chemical conversions applied to a raw aluminum surface is required prior to powder coating, this will help creating thin layers of amorphous oxide to protect the substrate. The next step is using of the electrostatic guns to apply a 60~80 micron film layer which is cured at 4000F in approx 20 minutes, Polymerization is then performed. Such base coat is conductive to creating sifficient hardness on the finalized product. The coated film layer also protects aluminum against factors like Weather, Corrosion, Abrasion, Light and Humidity.

Decoration

In this stage, a preprinted film transfer which containing organic photosensitive pigments and cellulose resin will have to be properly wrapped around the product and then set on the surface of a trolley. A vacuum suction system removes air and in turn, produces a perfect thermo print. In order to let all the desired effects “transit” on the target subtrate, the trolley will be placed within a specialized oven, affecting the decoration by converting ink pigments from solid, into gas and back again to solid within the paint layer. In the last step of the powder coat process, the film is removed upon cooling.

POWDER COATING FOR HEAT TRANSFER (SUBLIMATION)

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