PBT Resins meet UL94-V0 specs in thin-walled components.

Press Release Summary:

Flame-retardant Celanex® 14 Series polybutylene terephthalate resins are non-blooming, so molded parts are essentially free of surface deposits. Celanex 3314, 3214, and 3114 are 30, 15, and 7.5% glass fiber-reinforced, respectively. Celanex 2014 is unfilled, and Celanex 4014 is unfilled and toughened. Resins are suited for connectors, housings, relays, switches, motor end caps, and other electrical and electronic applications.

Original Press Release:

Ticona Introduces New Line of Flame Retardant Celanex® PBT

Celanex® 14 Series PBTs Meet UL94-V0 Specs in Thinner Walls;
Also Aid Processing with Higher Flow and Faster Cycle Times

Summit, New Jersey; Kelsterbach, Germany, Sept. 24, 2003 - Ticona has introduced a line of flame retardant polybutylene terephthalate (PBT) resins, the Celanex® 14 Series resins, having improved performance and processability. The new line, which includes two unfilled grades and three glass fiber-reinforced grades, is expected to be used in connectors, housings, relays, switches, motor end caps, and other electrical and electronic applications.

Celanex® 14 Series flame retardant resins provide flame retardancy in exceptionally thin-walled components. The 30 percent glass-filled grade, for example, meets the UL94-V0 specification for flame retardancy at wall thicknesses down to 0.39 mm. Competing PBT resins satisfy this specification at wall thicknesses of 0.71 mm or more.

The new line offers better processability than competing PBTs, e.g., they provide 15 to 20 percent higher flow and 10 to 15 percent faster cycle times. In general, they also have a wider processing window, greater thermal stability during processing, and better mechanical strength and electrical properties than comparable PBTs from other producers.

"We've tailored the 14 Series line to meet the needs of today's market," says Ken Fletcher, Product Marketing Manager for Polyesters. "Since these PBTs process easier, they help manufacturers reduce part cost. Their higher flow and lower fill pressure and barrel temperature translate into faster cycle times, less energy use, and better productivity and throughput. Given the many benefits they offer, we plan to extend the technology used to create them to other polyester resin families that we offer."

The five grades in the 14 Series line of flame retardant PBT resins are:
o Celanex® 3314 PBT, a 30 percent glass fiber reinforced grade,
o Celanex® 3214 PBT, a 15 percent glass fiber reinforced grade,
o Celanex® 3114 PBT, a 7.5 percent glass fiber reinforced grade,
o Celanex® 2014 PBT, an unfilled grade, and
o Celanex® 4014 PBT, an unfilled and toughened grade.

Celanex® 14 Series PBTs are available globally in natural and black, and can be custom-colored for specific end uses. They also are non-blooming, so molded parts are essentially free of surface deposits, which eliminates post-molding cleanup and improves appearance. Parts made with these resins can contain up to 25 percent regrind.

Additional Information Available
For information on Celanex® 14 Series PBTs and other Celanex® PBT resins, contact: Ticona, 90 Morris Avenue, Summit, New Jersey, 07901, USA. Phone: 1-800-833-4882 or 1-908-522-7500. Email: prodinfo@ticona.com. Or visit www.ticona.com.
Data sheets for specific Celanex® 14 Series PBT resins can be found online at the following locations:
o Celanex® 3314 PBT: ticona-us.com/DataSheet/DataSheet.cfm?ID=8
o Celanex® 3214 PBT: ticona-us.com/DataSheet/DataSheet.cfm?ID=1823
o Celanex® 3114 PBT: ticona-us.com/DataSheet/DataSheet.cfm?ID=20
o Celanex® 2014 PBT: ticona-us.com/DataSheet/DataSheet.cfm?ID=1822
o Celanex® 4014 PBT: ticona-us.com/DataSheet/DataSheet.cfm?ID=1909

About Ticona and Celanese
Ticona, the technical polymers business of Celanese AG, Frankfurt, produces and markets a broad range of engineering polymers and achieved sales of Euros 757 million in 2002. Ticona has approximately 2,400 employees at production, compounding and
research facilities in the USA, Germany and Brazil. Celanese AG is a global chemicals company with leading positions in its key
products and world class process technology. The Celanese portfolio consists of five main businesses: Acetyl Products, Chemical Intermediates, Acetate Products, Technical Polymers Ticona and Performance Products.

Celanese generated sales of around Euros 4.3 billion in 2002 and has 10,700 employees. The company has 25 production plants and six research centers in 11 countries mainly in North America, Europe and Asia. Celanese AG shares are listed on the Frankfurt Stock
Exchange (symbol CZZ) and New York Stock Exchange (symbol CZ).
For further information about Ticona and Celanese, please visit our websites: www.ticona.com and www.celanese.com.

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