Quick Answers
How tightly should screw bands be put on when closing jars with two piece lids?
Screw bands should be put on firmly so that they are
hand tight. If they are applied too tightly, buckling of
the flat may occur. Do not retighten screw bands after
processing.
Barbara Willenberg, Nutritional
Sciences, University of Missouri-Columbia
Last update: Tuesday, May 05, 2009
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