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Hi All! I'm interested in Barrier PET. Do you know what is the optimum process in barrier PET (in terms of barrier function & commercial)? Is it possible to use our current siggle stage machine & invest an electrostatic spray only?
Appreciate your feedback...
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New Barrier Coat For Juice Bottles
A new barrier coating for PET fruit-juice bottles is being used in its first commercial applications. Bairocade epoxy-amine coating was originally developed by PPG Industries Inc., Pittsburgh, for carbonated soft-drink and beer bottles. The newer coating is being used by Graham Packaging Co. LLC, York, Pa., in two single-serve juice bottles. Northland Cranberries, Wisconsin Rapids, Wis., uses a 16-oz size. Old Orchard Brands of Sparta, Mich., uses a 20-oz bottle.
Bairocade coating reportedly enhances shelf life up to 300%. The coating is applied to the bottle exterior with an electrostatic spray and then cured in an infrared oven, yielding a glossy finish that resists scuffing and reduces haziness. Coated bottles can be recycled, says PPG.
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