SURLYN CREATES THICK-WALLED PARTS WITHOUT SINK MARKS AND VOIDS

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SURLYN CREATES THICK-WALLED PARTS WITHOUT SINK MARKS AND VOIDS
20 October 2004 - DuPont Packaging and Industrial Polymers

DuPont Surlyn enables the injection moulding of thick-walled parts without sink marks and voids.

This is illustrated by latest applications such as the stylish bottle cap for the perfume range 'New Yorker Woman and Man', the crystal-clear CD holder 'Dimitri', as well as brilliantly-coloured components of the new 'WC-Cleaner'.

*Mäurer + Wirtz GmbH & Co KG of Stolberg, Germany, has created a thick-walled bottle cap for the perfume range 'New Yorker Woman and Man'. During just one processing stage, the company is able to produce the crystal-clear moulded part with a part highly-polished, part frosted surface. With this surface texture continuing on the glass bottle, Surlyn ensures that the cap appears every bit as luxurious as the bottle. A further benefit of the material is its high chemical resistance.

*The CD holder 'Dimitri' by Koziol GmbH, Erbach, Germany, is also made of Surlyn. The material provides crystal-clear transparency and a scratch-resistant, shiny surface. And although the moulded part contains considerable differences in wall thickness, it can be easily injection-moulded in Surlyn without sink marks and voids.

*A completely new toilet brush, the 'WC Cleaner ND 27' has been developed by dorenwendt design GmbH & Co KG, Wachstedt, Germany. A dash of colour is provided by a holder made of Surlyn. In this case it was the good colourability of the material which was an important criteria in material selection. According to the manufacturer, a further benefit of Surlyn for this particular application was its resistance to cracking and the freedom of design provided by the material.

DuPont Surlyn is suitable for a wide range of applications in cosmetics packaging and other luxury articles. It helps create a luxurious appearance, provides a pleasant touch and offers a high level of security (compared to glass). Thanks to the beneficial characteristics of Surlyn , requirements such as chemical resistance, high transparency, eye-catching colours and scratch-resistant surfaces are easily met.

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About: DuPont Packaging and Industrial Polymers
DuPont Packaging and Industrial Polymers is a world-class manufacturer of high-performance resins and films for a variety of packaging and industrial applications. Its best-known ethylene copolymer products include Surlyn resins for packaging and industrial applications, Bynel coextrudable adhesives, Selar PA amorphous polyamide barrier resins, Nucrel acid copolymers, Elvax EVA copolymers, Elvaloy and Fusabond modifiers, and Vamac ethylene acrylic elastomers.

DuPont is a science company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture, nutrition, electronics, communications, safety and protection, home and construction, transportation and apparel.

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