A novel oxygen scavenger with glass-like clarity from Constar International, Philadelphia, has been commercialized in a 46-oz monolayer ketchup container for ConAgra Foods’ Hunt’s Ketchup. DiamondClear is an active oxygen scavenger with the same clarity as standard PET and barrier performance similar to Monoxbar, Constar’s other monolayer barrier system. In blends with PET, DiamondClear reportedly has greater clarity than Monoxbar or other oxygen scavengers and reduces weight by nearly 12% vs. multilayer bottles. The monolayer bottle replaces a multilayer PET/EVOH container, eliminating risk of delamination. It reportedly allows for thinner walls without appreciable barrier loss. (215) 552-3700 • www.constar.net
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