Damascus colors
The age old name used for the process is "browning".The ultimate color is dependent on the use of live steam for conversion from brown to black. Steam converts brown ferric oxide color to ferro-ferric black. In all of the accounts that I have read about the "Parker browning process", the steam room was used for conversion. Live wet and dry steam is the best converter to accomplish the correct contrast and color for a black and white finish.
In time black and white will somewhat brown as ferric is more stable than ferro-ferric, but is still black and white.
It is my belief that all Parker composite barrels were finished in black and white.
Brad
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Threaded Mode