Evonik's Coating Additives business line has developed a new, multifunctional polymer additive for powder coating formulations. The company stated TEGO Powder Aid D01 makes the formulation easier to disperse during extrusion by promoting pigment wetting and effectively reducing melt viscosity. The lower melt viscosity also leads to better degassing, which aids flow and leveling as the formulation cures and prevents pinholes in the coating. Thus, the new additive optimizes gloss development and ensures better DOI (distinctness of image) on the coating surface.
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