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  1. #1
    Join Date
    Apr 2019
    Posts
    21

    Default Why can’t I find ‘zinc chromate’ primer?

    I’m repairing a little bit of aluminium corrosion but am really struggling to find zinc chromate primer. Even my googling is not turning up anything. Suggestions?

    Thanks

  2. #2
    Join Date
    May 2001
    Location
    North Wales, sailing Aegean Sea or Menai Strait
    Posts
    22,042

    Default Re: Why can’t I find ‘zinc chromate’ primer?

    Look for etch primer. Hammerite special metals has given great service for me.
    Answers to some technical queries at new website http://coxeng.co.uk

  3. #3
    Join Date
    May 2009
    Location
    Wirral
    Posts
    710

    Default Re: Why can’t I find ‘zinc chromate’ primer?

    +1.
    Leisure Owners Association

  4. #4
    Join Date
    Oct 2012
    Location
    Wirral
    Posts
    522

    Default Re: Why can’t I find ‘zinc chromate’ primer?

    Zinc Chromate is a carcagenic

  5. #5
    Join Date
    Mar 2005
    Location
    Hants/Lozčre
    Posts
    4,836

    Default Re: Why can’t I find ‘zinc chromate’ primer?

    Quote Originally Posted by septiclecky View Post
    Zinc Chromate is a carcagenic
    Duralac jointing compound is based on barium chromate, which presumably is not carcinagenic

  6. #6
    Join Date
    Jan 2005
    Location
    Me Edinburgh, boat JWD
    Posts
    5,164

    Default Re: Why can’t I find ‘zinc chromate’ primer?

    [pedant] carcinogenic [/pedant]

  7. #7
    Join Date
    Jun 2001
    Location
    Scotland
    Posts
    6,323

    Default Re: Why can’t I find ‘zinc chromate’ primer?

    Quote Originally Posted by chris-s View Post
    I’m repairing a little bit of aluminium corrosion but am really struggling to find zinc chromate primer. Even my googling is not turning up anything. Suggestions?

    Thanks
    I had this question many moons ago for a model railway product and when an industrial paint salesman visited me on a ship where I was chief engineer his answer came as a complete surprise. I think it is still valid now.....

    The answer.......... The grey primer in aerosols in Halfords. It certainly worked for me when dealing with the repainting of three aluminium model railway coaches on which previous attempts had promptly bubbled and still great after too many years to mention. No the word etched was not on the cans then but I would try it again if the problem returned on an alloy item.
    Eastern Scotland and beyond.

  8. #8
    Join Date
    Feb 2008
    Location
    Farndon
    Posts
    3,117

    Default Re: Why can’t I find ‘zinc chromate’ primer?

    Quote Originally Posted by Hoolie View Post
    Duralac jointing compound is based on barium chromate, which presumably is not carcinagenic
    I think it is.

    Perhaps there is greater preceived risk with paint, primarily due to dust when sanding paint or fumes from hot work.

  9. #9
    Join Date
    Oct 2001
    Location
    Micheldever, hants
    Posts
    1,647

    Default Re: Why can’t I find ‘zinc chromate’ primer?


  10. #10
    Join Date
    Apr 2019
    Posts
    21

    Default Re: Why can’t I find ‘zinc chromate’ primer?

    Thanks! I picked up a tin of that earlier but wasn’t convinced about it. I’ll pop back tomorrow and get some.

    Chris

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