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Celstran® LFRT from Celanese Helps Fans from ebm-papst Supply Fresh Air in Commercial Kitchens, Offices, and Factories

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Celanese Ltd.
P.O. Box 819005
Dallas, TX, 75381

Press release date: October 16, 2013

Outstanding Mechanical Properties Improve Performance

Sulzbach, Germany, Florence, Ky., Shanghai, PR China — Indispensable in commercial kitchens, offices and factories, the new RadiCal fan series produced by ebm-papst uses radial fan impellers made with Celstran® long fiber reinforced thermoplastics (LFRT) from Celanese Corporation (NYSE: CE), the global technology and specialty materials company.

Celstran LFRT, a composite made from a thermoplastic polypropylene (PP) matrix and unidirectional long glass-fibers for outstanding stability, is the ideal material for the RadiCal fan impellers that have a complex architecture, which is exposed to high mechanical loads. The glass fiber reinforced polymer combines high strength, lightness and unlimited moldability to enable flow-optimized blade geometries, and provides UV protection, chemical resistance and extremely good impact strength without the need for additional treatment.

The new RadiCal fan series, without spiral housing, was developed with GreenTech EC motors, backward curved blades and a high level of hydraulic efficiency. It has the same dimensions as its predecessor with asynchronous motor, which the new version can replace with little effort.

Low Noise with High Efficiency
ebm-papst, a worldwide innovation leader in fans and motors with over 14,500 different products headquartered in Germany, used simulation models to optimize the impeller shape. Models were compared to measurements on prototypes to avoid great cross-sectional jumps and flow losses in the finished model. This step in the developmental phase, coupled with the excellent damping characteristics of the Celstran LFRT-PP, helped reduce the noise level generated by the fan.

Celstran LFRT demonstrates its versatility in this application:
Chemical resistance
Temperature tolerance
High impact and notched impact strength
Very low creep and warpage
These outstanding mechanical properties contribute to improved performance and extend the service life of the RadiCal fan.

Celanese Corporation is a global technology leader in the production of differentiated chemistry solutions and specialty materials used in most major industries and consumer applications. With sales almost equally divided between North America, Europe and Asia, the company uses the full breadth of its global chemistry, technology and business expertise to create value for customers and the corporation. Celanese partners with customers to solve their most critical needs while making a positive impact on its communities and the world. Based in Dallas, Texas, Celanese employs approximately 7,600 employees worldwide and had 2012 net sales of $6.4 billion. For more information about Celanese Corporation and its product offerings, visit or our blog at

All registered trademarks are owned by Celanese or its affiliates.

Celanese Business Unit Contacts:
Engineered Materials:

Stephen Cushard, Global Marketing Communications Manager

Henning Küll, Public Relations Manager

Amber Zhao, Marketing Communications

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