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  1. #1
    gandolfi's Avatar
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    building darkroom sink - need advice on materials

    we're making a new darkroom at mu school, and we want to make a large darkroom sink.

    I was then asked: what is the best choise: Stainless steel, or aluminium?

    would aluminium react to spilt chemicals or is it good enough a material to make that kind of a sink? (aluminium is only half as expensive as stainless steel - hence the question)

    please let me know, if you know.

    thanks

  2. #2
    Kevin Caulfield's Avatar
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    I understand that aluminium will react with some chemicals, which is why it cannot be used for print processing trays, etc.

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    Neanderman's Avatar
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    Quote Originally Posted by gandolfi View Post
    I was then asked: what is the best choise: Stainless steel, or aluminium?
    #316 Stainless is pretty much the industry standard for photo processing equipment. I'm not sure about aluminum, but one alternative is marine plywood coated with fiberglass.

    Ed
    "I only wanted Uncle Vern standing by his new car (a Hudson) on a clear day. I got him and the car. I also got a bit of Aunt Mary's laundry, and Beau Jack, the dog, peeing on a fence, and a row of potted tuberous begonias on the porch and 78 trees and a million pebbles in the driveway and more. It's a generous medium, photography." -- Lee Friedlander

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    Aluminum is pretty reactive, I don't think it would be a good choice.
    Here's PE's take on Aluminum for trays... http://www.apug.org/forums/forum187/...rocessing.html

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    I built a large sink from plywood and fiberglass. It was easy, cheap, and has lasted forever.

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    I would go stainless steel if the school is paying for it and make it a deep sink, like 8 inches deep. If not, use plywood that is 3/4 inch.

    Good luck.

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    gandolfi's Avatar
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    thanks all for the quick replies. I thought aluminium was a bad choise, but the cost in mind, I had to ask..

    maybe plywood would be the answer (if I only knew what that is....)

    thanks!

  8. #8
    richard ide's Avatar
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    I think that when you price type 316 stainless, you may want to build one of plywood, fiberglass and epoxy resin. Will last forever. Aluminum might last a week or two; nevermind contamination.
    Richard

    Why are there no speaker jacks on a stereo camera?

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    Kevin Caulfield's Avatar
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    Quote Originally Posted by gandolfi View Post
    thanks all for the quick replies. I thought aluminium was a bad choise, but the cost in mind, I had to ask..

    maybe plywood would be the answer (if I only knew what that is....)

    thanks!
    Plywood is very thin layers of wood glued together. When you look at the edge profile you can see the separate layers. You can get three-ply, four-ply, etc. It's usually cheap, but fairly strong because of the layering.

  10. #10

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    Quote Originally Posted by gandolfi View Post
    thanks all for the quick replies. I thought aluminium was a bad choise, but the cost in mind, I had to ask..

    maybe plywood would be the answer (if I only knew what that is....)

    thanks!
    plywood=krydsfiner
    Så vidt jeg ved findes der en "Marine" kvalitet der skulle være vandfast.
    Mvh
    Last edited by Soeren; 02-07-2008 at 02:18 AM. Click to view previous post history.
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