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Thread: Printing on canvas: a question

  1. #1

    Join Date
    Dec 2009
    Location
    Brewster, NY
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    229

    Printing on canvas: a question

    I scan my LF negatives so that I can digitize them. I've just experimented with printing on Epson Exhibition Canvas. I'm wondering if I have to protect the surface of the canvas by applying a spray coating of a water-based product.

    Thoughts?

  2. #2
    Peter
    Join Date
    Apr 2007
    Location
    Morro Bay, Ca
    Posts
    697

    Re: Printing on canvas: a question

    You don't have to. The inks are archival without spray, but the ink is just an extremely thin layer and is susceptible to scratches. Besides that, the canvas is bright white because of a coating of optical brighteners, and I don't think the manufacturers of OBs have the same archival standards as the ink makers do as I've experienced the optical brighteners fading. As the optical brighteners fade they reveal the true color of the "natural white" canvas beneath. Natural white canvas appears yellow compared to the bright white canvas. So a coat of varnish protects against scratches and OB fading. Additionally, if you're going to exhibit the print for any length of time you'll probably want to dust it off once in a while and the varnish will allow you to do that, even with a damp cloth, without damaging it.
    In case you're looking for recommendations, I've used Marabu Clearshield ( https://www.lexjet.com/marabu-clearshield-canvas-guard) with a Homeright HVLP sprayer with good results (Homeright.com)

  3. #3

    Join Date
    Dec 2009
    Location
    Brewster, NY
    Posts
    229

    Re: Printing on canvas: a question

    Extremely helpful, Peter! Many thanks.

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