• Re: Red Lead - Still Used?

    From jon@21:1/5 to All on Tue Nov 5 00:15:03 2024
    Red lead was used for scratches. And pin holes on metal. , came in tube like toothpaste, apply thin layer , sand and then paint and yes color was red ….

    --
    For full context, visit https://www.motorsforum.com/tech/red-lead-still-used-92320-.htm

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  • From AMuzi@21:1/5 to jon on Mon Nov 4 18:40:52 2024
    On 11/4/2024 6:15 PM, jon wrote:
    Red lead was used for scratches. And pin holes on metal. ,
    came in tube like toothpaste, apply thin layer , sand and
    then paint and yes color was red ….


    There are several glazing or "spot" compounds for filling
    sand scratches and pinholes in a primer before your wetsand
    and color. Some of those are red. The one I use is bright
    green. Mostly it should contrast the primer color so you
    can see where the layers are when wet sanding.

    https://www.uschem.com/en/products/finishing-glazes-and-putties/

    That's red but it's not lead. Mine's not even red:

    https://www.yellowjersey.org/photosfromthepast/3ra99l.jpg

    When I was young there was a lead brick red color powder
    sold as 'red lead' by weight at hardware stores. The clerk
    scooped it into a paper sack on the scale and I rode it home
    on my bicycle. My father mixed it with linseed oil to make a
    metal primer for downspouts gutters and the like.

    https://ihousetop.decorexpro.com/en/strojmaterialy/surik-kraska/

    --
    Andrew Muzi
    am@yellowjersey.org
    Open every day since 1 April, 1971

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  • From Scott Dorsey@21:1/5 to am@yellowjersey.org on Tue Nov 5 01:34:43 2024
    In article <vgbpii$16ifn$1@dont-email.me>, AMuzi <am@yellowjersey.org> wrote: >On 11/4/2024 6:15 PM, jon wrote:
    Red lead was used for scratches. And pin holes on metal. ,
    came in tube like toothpaste, apply thin layer , sand and
    then paint and yes color was red ….

    This is lead tetroxide, Pb3O4. I doubt you could buy it at the hardware store today. It is naturally that color, and used to be used as a pigment as well
    as as a metal filler. I know that red lead primer is still available for industrial use but again, not a True Value item any longer.
    --scott
    --
    "C'est un Nagra. C'est suisse, et tres, tres precis."

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