
The addition of liquid nitrogen after filling creates pressure to keep the bottle’s sidewalls from paneling as internal vacuum pressure builds. The bottle features a 28-mm PCO finish.
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Grafco (Hanover, MD) has introduced a line of 16- and 32-oz PET bottles specifically for vinegar. The injection/stretch blow-molded bottles are designed with a nitro-base for use with warm-fill nitrogen technology.
The addition of liquid nitrogen after filling creates pressure to keep the bottle’s sidewalls from paneling as internal vacuum pressure builds. The bottle features a 28-mm PCO finish.