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EKasse

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Posts posted by EKasse

  1. From personal experience, my kiln used to be in my garage and the studio was at the back of a VERRRRRRRY long garden.  What a pain in the you know what to bring items down the path for firing.  

    Got to think about what's best for you.  My kiln is in my studio (which is just an adapted garage) - i don't have any sophisticated venting system but it sits next to a door and window so when it's on i open a window/door.  Only downside is that i can't use the studio when it's on.  But that's not a big deal for me.

    Key point from my rambling is to think about what you really need from your studio and then take it from there.  plan plan plan!

     

  2. Hi everyone - can anyone please help me work out how to paint with underglazes onto bisc ware -  how to stop the paint brush from dragging and sticking to the pot?

    Is there something I can add to the underglazes (i'm using standard ones from ceramic suppliers - like  Amaco/Scarva) to help them flow better.

    Ideally I'm trying to pain very thin lines smoothly.  I've got lots of different brushes to help however the dragging and sticking really doesn't help and i'm sure there's various things i could add to help with this but there's so many to choose from i get confused!  

    Can any one help with this please?

    thanks

    Ela

    ps: Am UK based

     

  3. Hello!   I've got about 4 large solid lumps of bone dry clay, approx. 4 or 5kg in weight each, which I'd like to reclaim.

    They dried out this summer when I turned my back on them for 5 minutes and hadn't double wrapped them.  V annoying.

    Anyway, does anyone have any hints and tips about how to reclaim them?  Do I need to invest in a good sledge hammer?  

    Any suggestions much appreciated!

    thanks

     

  4. 22 hours ago, Callie Beller Diesel said:

    The amount you add to a glaze in order to flocculate it properly isn’t significant enough to affect the chemistry, no. If you add too much to a glaze batch, it’ll clump up to the consistency of your reclaim, and at that point you can’t apply it to a pot. 
    Sue Macleod is the queen of teaching about glaze flocculation. Her blog here is an excellent one. 
    https://suemcleodceramics.com/how-to-make-a-saturated-epsom-salt-solution-to-flocculate-your-glazes/

    Thanks Callie - I had watched that video yesterday, hence my question about whether it affects the final outcome of a glaze.  Her videos are brilliant.  So simple and well explained.  A fantastic resources

  5. Hello everyone - epsom salts seems to me to work like magic to me.  Got some slip or glaze that's too runny, add some epsom salts and voila it's fixed!  

    Stupid question  time - does it affect the final effect of a glaze / slip etc?  ie: is it possible that too much epsom salts can effect the final outcome of a glaze?

    I've not really experimented much with this magical stuff - can it help glazes in other ways?

    Any help/advice much appreciated

    thanks!

  6. On 6/2/2020 at 6:21 PM, Dick White said:

    If you want a nice glossy turquoise, here is one that I and an associate at my studio developed, derived from Val's (Cushing) Turquoise from years ago that became non-functional in recent times because of the material changes in Custer Feldspar and Gerstley Borate. We did some initial brute force adjustments with glaze chem software, but the color changed. After running several Currie grids, we learned that the turquoise color in this glaze is extremely sensitive to the silica level. After further experimentation, this recipe has the turquoise color and is stable with the both lemon test and a month in the dishwasher.

    DJ's Turquoise

    EPK - 7.7

    Gerstley - 16.8

    Custer - 27.3

    Silica - 36.6

    Whiting - 8.8

    Dolomite - 2.8

    add:

    Bentonite - 1

    Copper carb - 3

     

    thanks for this - i'll give it a try!  i assume it's cone 6?

  7. On 5/27/2020 at 4:54 PM, Min said:

    Lithium carb has a super high LOI of just under 60%, if your glazes have high levels of lithium carb this can cause crawling (and shivering of the glaze).  Supplying the lithia content with a high lithium frit, such as Fusion F-493, can help with the shrinkage/crawling issue, also helps avoid the solubility issue with using lithium carb. Might also be able to reformulate using spodumene to supply the lithia but not always possible with high lithia amounts. Post the names or links to some of the recipes you've tried and your glaze firing schedule. 

    what does LOI mean?

  8. Hi there

    I've tried many different turquoise lithium glazes (from the John Brit cone 6 book) and from various other sources including Glazy.   However i have a real problem with crawling/pitting.  Test tiles are good but anything larger i'm finding these lithium glazes to be so sensitive and i'm  at the point of giving up.

    Is this a well known issue with lithium glazes? I've tried spraying, dipping and pouring but still have the same issues.  I also make sure that the pots are dust free before i glaze them.

    Would controlled cooling of the glaze firing help?  Are there any other suggestions that might help make the glaze a bit more friendly or are glazes with lithium always a pain in the you know what? :-)

    Thanks!

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