PET Resins, Polyethylene Terephthalate, Resin Crystallization

New Impet ® PET Resins Form Smooth, Glossy Surfaces
at 90°C Rather than the Normal 130°C.

July 22, 2004 -- Summit, New Jersey, (USA) -- ( Jobwerx News ) -- NEWS RELEASE - Faster Crystallization of PET Resins from Celanese Allows Use of Water-Cooled Molds Instead of Harder-to-Use Oil-Cooled Ones.

Ticona, the technical polymers business of Celanese AG (FSE: CZZ), has introduced three Impet ® polyethylene terephthalate (PET) resins that give smooth, glossy surfaces at mold temperature of 90 to 100°C, allowing the use of water-cooled tools rather than oil-cooled ones as needed with most other PETs.

The new Impet ® PET resins (Patent Pending) contain glass-mineral filler at loadings of 35 percent (Impet ® PET FC835), 40 percent (Impet ® PET FC840) and 45 percent (Impet ® PET FC845). Their crystallization rates at 90 to 100°C match those of standard PETs at 130°C or higher. The new grades also have somewhat improved flow and cycle times when injection molded to create such components as automotive luggage racks, spark plug covers and grill opening retainers.

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