What is Catch Ease. There are many variables involved when it comes to catching any type of fish. From size to fighting ability to time of day to time of year, fishing isnât an exact science. Which is what makes it so much fun. That said, these are the top-level factors we use to determine ease of catch.
Definition of ferrous oxide. : the monoxide of iron FeO obtained as a readily oxidizable black powder (as by heating ferrous oxalate) âcalled also iron(II) oxide.
Black oxide is a conversion coating formed by a chemical reaction produced when parts are immersed in the alkaline aqueous salt solution operated at approximately 285 degrees F. The reaction between the iron of the ferrous alloy and the hot oxide bath produces a magnitite (Fe3 O4) on the actual surface of the part.