Kortec will highlight its co-injection molds for molding of multilayer PET bottle preforms. Sources say it delivered its first 144-cavity system to bottle blowmolder Southeast Container in August. This would be the largest mold for making multilayer PET preforms. Kortec optimizes Husky injection molding units to run with its co-injection technology. It quotes a 15-second cycle time for preforms with 28-mm neck diameter, equivalent to 288 million preforms/yr.
Kortec's three-layer preform technology combines PET with barrier and oxygen scavenging resins. The finished container can offer as much as 60 times the oxygen barrier performance of a monolayer PET container. Kortec, Ipswich, MA. www.kortec.com