Screw Cap Closure Comparison (2015)

The effect of three different Amcor Stelvin screw caps with different oxygen transfer rates on bottled Chardonnay wine were compared in this study.  The chemical parameters measured in this study did not show much differences; however in general tasters preferred the screw caps with lower oxygen transfer rates.  The length of time from bottling to tasting and analysis, however, may have been too short to truly distinguish differences.

Read Full Report (PDF)