Ultracur3D UV Adhesion Promoter
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Ultracur3D UV Adhesion Promoter

BASF-UC-ADHESION-PROMOTER
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Certain rigid 3D printing materials, such as PA and PP, may resist coating due to poor adhesion. This challenge in post processing can be remedied by using the BASF Ultracur3D UV Adhesion Promoter.

A layer of the Ultracur3D Adhesion Promoter (silver) and a top coat of red paint on top of it

Image 1: A layer of the Ultracur3D Adhesion Promoter (silver) and a top coat of red paint on top of it. Source: BASF.

It is a solvent-borne UV-Primer that improves adhesion of the final topcoat to rigid 3D printing materials by smoothing the rough (pores, pinholes) or uneven surface of a treated part when applied multiple times with intermediate drying phases.

The difference in adhesion quality when the Adhesion Promoter is used (left) vs not used (right)The difference in adhesion quality when the Adhesion Promoter is used (left) vs not used (right)

Image 2: The difference in adhesion quality when the Adhesion Promoter is used (left) vs not used (right). Source: BASF.

With the Ultracur3D UV Adhesion Promoter there is no need to develop or replace existing coating systems, as the Adhesion Promoter is compatible with most commercial topcoats, clearcoats, 2 component fillers and primers. The Adhesion Promoter can be applied in two ways - by means of the dip method or the spray method.

The possible applications of the Ultracur3D UV Adhesion Promoter are in the automotive sector, in the interiors and exteriors of cars, and in the consumer goods industry.

General information
Manufacturer BASF
Caution and safety warnings H315, H318, H317, H335, H400, H411, H225

Other
HS Code 3305.3

The Adhesion Promoter can be applied in two ways - by means of the dip method or the spray method. Regardless of the method used, the part to be treated should always be clean and free of dust, rust, wax, oil and grease before applying the Ultracur3D Adhesion Promoter.

If the surface smoothness of the part is not satisfactory after the first coat, the process can be repeated up to 4 times. After each application, the part must be cured in a UV intermediate drying process to the point that the surface is not sticky anymore.

If a spray gun is used, it should always be cleaned before use, for example with Isopropanol. The Adhesion Promoter should be sprayed with a HVLP spray gun at a 0.8-1.5 bar pressure with a 0.8-1.3 mm nozzle. The maximum recommended film thickness is 70 μm.

A quick application guide for dip and spray coating with the Ultracur3D Adhesion Promoter

Image 1: A quick application guide for dip and spray coating with the Ultracur3D Adhesion Promoter. Source: BASF.

The Ultracur3D Adhesion Promoter should not be applied in direct sunlight nor exposed to sunlight in storage.

More detailed tips on how to use the BASF Ultracur3D Adhesion Promoter can be found in the documentation in the Downloads section.