[Jewelry making - Article 00674] - Re: [Orchid] Experience with Ceramit?

[Allan Heywood]

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>      Hey let's hear more about your translucent and opaque auto paints
>     with ceramit! How do you mix, brand of auto paint, 

    You can also tint these things with ordinary artist's oil paints or
    any other coloured paint-like material that will dissolve in xylene
    (or with the raw dyes themselves). That is, just about any paint
    except those that are water-based. Little tins of hobby "enamel" are
    ideal. After all we're talking about the sorts of resins they skin
    surf-boards with here! 

    To get transparent colours mix a little bit of the colourant on a
    toothpick etc directly into the resin (part A) before you add the
    catalyst (part B). You'll have to mix it thoroughly again after you
    add the catalyst. 

    It's a bit more iffy using paints to get opaques - too much paint
    and crosslinking of the resin molecules is retarded (at least I'm
    guessing that's what happens) and the stuff doesn't cure out as hard
    as it otherwise might. Although who's to say what "hard" means when
    applied to filled epoxy resin systems, really? Not the manufacturers
    of Ceramit, it would seem, who say the hardness of their material
    can't be tested. 

    Guess it's all just a matter of faith hmmmmmmm? 

    Similarly, you can tint polyurethanes (e.g. the Plaid range of
    interior/exterior clear varnishes) with water-based paints like the
    Jo Sonja range of acrylic gouaches. 

cheers
Al Heywood

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