OFHC Copper Gasket

OFHC / OFE Oxygen-Free Copper Gaskets

Alloy 101 OFE Copper is the highest purity grade of copper at 99.99%. OFE stands for oxygen-free electrolytic and replaces the acronym OFHC. It has been electrolytically refined in a carefully regulated, oxygen-free environment to reduce the level of oxygen to .001% or below.

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