Ticona Introduces New Line of Flame Retardant Celanex® PBT
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 exception-ally 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.
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.
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