Machine Design

Fast-Setting Pet Resin

Three Impet polyethylene terephthalate (PET) resins form smooth, glossy surfaces at mold temperatures of 90 to 100 degrees C.

Three Impet polyethylene terephthalate (PET) resins form smooth, glossy surfaces at mold temperatures of 90 to 100°C. This lets parts be molded in water-cooled tools rather than the oilcooled ones commonly used by most PETs. The resins contain glass-mineral filler at loadings of 35% (Impet PET FC835), 40% (Impet PET FC840), and 45% (Impet PET FC845). They also have improved flow and cycle times for injection-molding components. During testing, Impet PET FC840 produced a surface finish with a 60° gloss of 61.3. Its FC835 counterpart was much rougher and had a gloss of just 11.2.

Ticona,
90 Morris Ave.,
Summit, NJ 07901,
(800) 833-4882,
ticona.com

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