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Thread: finish for laser engraving

  1. #1
    Join Date
    Jul 2004
    Location
    Southern tip of New Jersey
    Posts
    157

    finish for laser engraving

    We make quite a few products from our laser. I would like to know or be pointed to the thread that can answer the following question. What finish can be put on a stained wood that will give a dark rich finish? I have heard that certain finishes "carmelize" and that gives a dark brown mark. Can someone help a fellow "creeker" out? By the way I live in a small town, Green Creek, where they say, "nuthin slicker than a creeker"
    __________________
    Gary Shoemake
    Green Creek NJ
    Mercury laser CLTT and color on crystal

  2. #2
    Join Date
    Nov 2007
    Location
    Allen, TX
    Posts
    2,017
    anything oil based will darken the dark parts of the grain. could be as simple as BLO mixed with color, on up to the more expensive oil varnishes.

  3. #3
    Join Date
    Jul 2004
    Location
    Southern tip of New Jersey
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    157

    thanks

    BLO? I'm rather uninformed as to finishes.
    Gary Shoemake
    Green Creek NJ
    Mercury laser CLTT and color on crystal

  4. #4
    Join Date
    Nov 2007
    Location
    Allen, TX
    Posts
    2,017
    boiled linseed oil.

  5. #5
    Join Date
    Jul 2008
    Location
    Tomball, TX (30 miles NNW Houston)
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    2,747
    Are you planning to finish before or after the laser cutting?
    Scott

    Finishing is an 'Art & a Science'. Actually, it is a process. You must understand the properties and tendencies of the finish you are using. You must know the proper steps and techniques, then you must execute them properly.

  6. #6
    Join Date
    Jul 2004
    Location
    Southern tip of New Jersey
    Posts
    157

    finish for laser engraving

    I would like to before to get a darker engraving.
    Gary Shoemake
    Green Creek NJ
    Mercury laser CLTT and color on crystal

  7. #7
    The burning you describe is more than likely the binder used in most off-the-shelf stains. I would try a water-soluble dye on a piece of wood (there is no binder used typically in a dye-stain) and then run a few engraving tests. Examples of water soluble dyes, are Behlen, WD Lockwood, TransTint and TransFast, just to name a few. Rockler, Woodcraft and most mail-order places have them.

    Jeff

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