Matches in DBpedia 2014 for { ?s ?p Marking blue, layout stain or Prussian blue is a dye used in metalworking to aid in marking out rough parts for further machining. It is sometimes called Dykem (after a popular brand). It is used to stain or paint a metal object with a very thin layer of dye that can be scratched off using a scriber or other sharp instrument to reveal a bright, yet very narrow line in the metal underneath. The advantages are that any existing scratches are covered with the dye and the new lines have a contrasting background.Marking blue is made by mixing methylated spirits with shellac and gentian violet. This is not to be confused with engineer's blue, made by mixing Prussian Blue with oil.. }
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- Marking_blue abstract "Marking blue, layout stain or Prussian blue is a dye used in metalworking to aid in marking out rough parts for further machining. It is sometimes called Dykem (after a popular brand). It is used to stain or paint a metal object with a very thin layer of dye that can be scratched off using a scriber or other sharp instrument to reveal a bright, yet very narrow line in the metal underneath. The advantages are that any existing scratches are covered with the dye and the new lines have a contrasting background.Marking blue is made by mixing methylated spirits with shellac and gentian violet. This is not to be confused with engineer's blue, made by mixing Prussian Blue with oil.".