Ann Currie on sun 1 jul 07
Help! I want to use my b-mix scraps, blend them to the consistency of
yogurt, and then add mason stains to the slip and
paint this on leather hard pieces made from the b-mix. Does anyone have any
advice
or suggestions about how to do this. I don't have a scale so I would like
to start with a cup of slip and add the mason stains with
teaspoons or tablespoons. Before I start from scratch, I thought maybe
someone might help me find a starting point.
Thanks.
************************************** See what's free at http://www.aol.com.
Kenneth Kant on mon 2 jul 07
We did something like this at Arrowmont a few months ago. We used a clay
mixture, not related to the original clay, but compatible, and added usually
one tablespoon of Mason stain to one cup of slip. The slip was a bit thinner
than yogurt so it could be painted easily on the greenware. If you want the
clay recipe, I will be happy to look it up.
************************************** See what's free at http://www.aol.com.
Sylvia Holmes on mon 2 jul 07
Hello Ann
I mix my coloured stoneware slips by starting with wet
scraps mixed up to creamy slurry and sieved. I
calculate the weight of the dry matter in the slurry
using Brongniart's formula, and add the percentage of
stain as recommended by the manufacturer (usually
5-15% depending on colour). There is a good
explanation of Brongniart's formula and how to use it
in the archives from Stuart Altman January 98. There
is a bit of weighing and calculating involved so you
need to be methodical about it, but the results are
dependable and repeatable.
I could avoid the calculation steps by drying out my
scraps completely, weighing them, wetting them down
again, mixing to slurry, then ading the correct
percentage of stain according to the dry weight of my
scraps, but that seems a few steps too many to me, and
I haven't tried this.
I have tried less methodical ways of adding stains in
the past, either just by eye, or trying to add
percentages by volume to the slurry (the so-called
teaspoon method). I ended up with slips overloaded
with colour that bled or were pale and wishy washy, so
needed to be adjusted after testing. In the end I
found using the formula saved a lot of time and
messing about for a little initial effort.
Good luck
Sylvia
--- Ann Currie wrote:
> Help! I want to use my b-mix scraps, blend them to
> the consistency of
> yogurt, and then add mason stains to the slip and
> paint this on leather hard pieces made from the
> b-mix. Does anyone have any
> advice
> or suggestions about how to do this. I don't have
> a scale so I would like
> to start with a cup of slip and add the mason
> stains with
> teaspoons or tablespoons. Before I start from
> scratch, I thought maybe
> someone might help me find a starting point.
> Thanks.
>
>
>
>
>
> ************************************** See what's
> free at http://www.aol.com.
>
>
______________________________________________________________________________
> Send postings to clayart@lsv.ceramics.org
>
> You may look at the archives for the list or change
> your subscription
> settings from http://www.ceramics.org/clayart/
>
> Moderator of the list is Mel Jacobson who may be
> reached at melpots@pclink.com.
>
___________________________________________________________
Yahoo! Mail is the world's favourite email. Don't settle for less, sign up for
your free account today http://uk.rd.yahoo.com/evt=44106/*http://uk.docs.yahoo.com/mail/winter07.html
| |
|
