- Clipping hairs with a small pair of facial scissors is an option for women with few unwanted hairs. - Chemical depilatories (hair removal creams) are another option for hair removal. However, their major drawback is that many individuals find them too irritating to the skin. Bleaching creams may be used to camouflage hair instead of actually removing the hair.
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.
Clients often ask us about the difference between black oxide and other available black coatings on fasteners. We thought a brief review on black oxide would be useful. A conversions coating. Black oxide coating is a low cost conversion coating produced by chemically altering the surface of a metallic substrate. The result is a decorative matte black finish with many useful properties. Black oxide offers dimensional stability