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High-performance parts get great new looks with paintable, platable Delrin

Du Pont Engineering Polymers : 24 July, 2003  (Company News)
Product designers can now achieve the
Based on breakthrough polymer and coating technology, new DuPont™ Delrin® Decorating Solutions made their debut at NPE 2003 as part of an expanded offering of engineering polymers and technology delivering improved functionality, aesthetics and processing productivity.

“DuPont™ Delrin® Decorating Solutions open up new ways to design products for aesthetic appeal, functionality and low cost,” said Thierry Marin, global Delrin® marketing manager. “They give designers terrific opportunities in many kinds of products, including window and door hardware for buildings, ski bindings and boot buckles, automotive speaker and vent grilles, bath and kitchen plumbing fixtures and cosmetic packaging, to name only a few.”

In windows and hardware, for example, painted Delrin® provides flexibility in matching decorator colours and achieving appealing effects that aren’t possible with integrally coloured plastic. In ski bindings, painted Delrin® can provide a high-tech metallic look with an excellent colour match and unified styling for related components such as the binding, the binding plate and boot buckles.

Painted or plated Delrin® can also provide opportunities for cost reduction. Perfume caps, for example, are now often made as a two-piece construction of a plated ABS overcap on a threaded closure made of a different plastic that’s resistant to solvents and other perfume ingredients. A one-piece closure made of plated Delrin® would fulfill the functional and decorative requirements of both parts and cost less. It would also allow product differentiation through the use of different-coloured coatings or plating on a common cap design.

Similar opportunities for cost-effective consolidation exist in other fields. In sanitary plumbing ware parts such as handles, for example, plated Delrin® can now make a strong, stiff, break-resistant part with a shiny metal look.

DuPont™ Delrin® Decorating Solutions is a complete system, consisting of moulding resins, etching solution, coatings and application technology. The resin offering consists of three resins for painting - Delrin® DS100, DS500 and DS900 - and two resins for plating, Delrin® DS500M and DS900M. The etching solution, sold under the trademark, Delrin® Etch, activates the part’s surface to accept painting or plating.

Three series of coatings are available to meet different requirements. They are DuPont™ Centari® 6000 low-emission solvent-based paints, DuPont™ Cromax® waterborne coatings and DuPont™ Aqua Decosoft®, a waterborne coating with a pleasingly soft touch.

Except for the Delrin® Etch solution, no special chemicals are required for plating Delrin®. Parts can be decorated using the same equipment and baths employed for plating ABS plastics.
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