The purpose of the foil is generally to be a barrier film. To keep any solvents or gases from affecting the septa in the crimp cap. It also has a heat insulator property.
Click HERE for more information about Headspace Caps
The purpose of the foil is generally to be a barrier film. To keep any solvents or gases from affecting the septa in the crimp cap. It also has a heat insulator property.
Click HERE for more information about Headspace Caps
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