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Fred Sweet

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Everything posted by Fred Sweet

  1. Fred Sweet

    Differences

    Nicky- Try this link. By no means all inclusive, but a good start. https://ceramicartsnetwork.org/glossary/ Regards, Fred
  2. Moh- You can try wedging in Molochite (a porcelain grog), to achieve some “bones”, if height is your goal. Available in various mesh sizes from a number of ceramic suppliers. Regards, Fred
  3. shawnhar- Since your first firing was over-fired and was blistered, pinholed, it doesn’t make sense to add more heat work (by increasing your hold time) to the subsequent firing. If the pieces were refired , it takes less heat work to re-melt the glaze since all the materials were already combined in the glass matrix. If the second firing was with new unfired pieces, I would have considered lowering the hold time or the target come, since your first was over-fired. Something to ponder. Regards, Fred
  4. Vivk- Go to priscillahollingsworth.com. Once on her home page follow this route: Home, info, extras The low fire glaze pdf resides there. Regards, Fred
  5. Fred Sweet

    Age of dry materials

    Roberta- Try rubbing alcohol to remove the marker. Works well for most permanent markers, and is substantially less expensive than hairspray. You also won’t have to worry about overspray. Fred
  6. Fred Sweet

    Hudson River Clay

    Grey- Just a quick correction to Nerd’s latest reply. GlazeMaster was written by Ron Roy and John Hesselberth, not John Britt. The software website is: http://www.masteringglazes.com/ attn: Tom. Know that you are interested in accuracy, therefore my correction. Regards, Fred
  7. Soren- Below is a listing of Illinois ceramic suppliers that carry raw materials. Sourced from: The Ceramic Arts 2018 Yearbook and Annual Buyers Guide - A Supplement to Ceramics Monthly and Pottery Making Illustrated. I am not sure how close these are to you, but it is a start. Great Lakes Clay & Supply (Elgin) www.greatclay.com Ceramic Supply Chicago (Elk Grove) www.ceramicsupplychicago.com Blick Art Materials (Galesburg) www.dickblick.com Art Clay World, USA (Oak Lawn) www.artclayworld.com U.S. Pigment Corp. (S. Elgin) www.uspigment.com I'm also not sure if there are other suppliers in neighboring states which might be closer. The URL to source a PDF copy of the Ceramic Arts 2018 Yearbook is: https://ceramicartsnetwork.org/toc/ceramics-monthly-ceramic-arts-yearbook-2018/ Regards, Fred
  8. Fred Sweet

    Glazing on already glazed tiles

    Dutch- do a member search on Paul Lewing here in the forum. He is the author of China Paint and Overglazes, available at: https://ceramicartsnetwork.org/shop/the-paul-lewing-china-painting-collection/ You can also PM him from the forum. Regards, Fred
  9. Shouldn’t have any difference if you didn’t have other effects (i.e. metals or combustibles attached or in proximity).
  10. hantremmer- Even if it was a pot to be bisque fired, the person who did the stamping should be informed that their choice of stamp ink contains metallic oxide(s), assuming it was stamped prior to firing the piece. If it was stamped after the firing, and the ink contains no metal oxide(s), it may burn off in another firing. Try having it re-fired. After all, what do you have to lose? Regards, Fred
  11. Do you have the manual for your kiln? The link below is for the manual Duncan kilns (includes yours) from the Paragon kiln company, who were providing parts and service after Duncan was disbanded. https://www.paragonweb.com/files/manuals/LX_914_Duncan_Kiln_Owners_Manual.pdf Regards, Fred
  12. Fred Sweet

    Calcining Cobalt Carbonate

    Soren- Most body colors will develop their true intensity with the addition of a clear glaze. To get an idea of how it will look prior to glazing and firing the work put a drop of water on the surface. While it won’t be highly accurate, you will get an understanding of just how the glaze will influence the color development. Regards, Fred
  13. Fred Sweet

    Calcining Cobalt Carbonate

    Soren- Check Chris Campbell’s website: http://www.ccpottery.com/coloredclaylessons.html This is her colored clay tutorial/class page. You might find your answers there. She is often approachable via email, depending on her schedule. She is also a member of this forum and has a gallery here. Go to the main page and do a search on her name. Regards, Fred
  14. Fred Sweet

    Corn syrup

    Andrea- Use Karo syrup or any other cheap syrup. Regards, Fred
  15. Fred Sweet

    Lightweight Shelves

    LeeU- Am wondering if you meant “Corelite” shelves made by Cedar Heights instead of the “Cordierite” that you posted? The Corelite shelves are a hollow shelf. Mark C refers to these in the above post. This may be a reason you are not receiving the responses you hoped for. Regards, Fred
  16. Fred Sweet

    Working with Lusters

    sima- Palladium Metallic Luster is a less expensive silvery color than either true silver or platinum lusters. Should you be looking for a white metal appearance. Regards, Fred
  17. Pres- The only extruder (that I know of) that is commercially made on this side of the pond is the North Star Big Blue. Might be a little big for just handles. You might try screw-type cookie presses, or if there’s someone you know in the other side of the pond, have them look for wad boxes. Regards, Fred
  18. laf- Could you be thinking of Pete Pinnell? He has several musings on cups. Regards, Fred
  19. Fred Sweet

    glazes or underglaze ?

    I’m thinking four different underglazes with a clear over. Don’t see evidence of breaking glaze color on rims.
  20. Fred Sweet

    Glaze Ingredient Storage

    Look into dog food storage containers. Mine came with wheels. Regards, Fred
  21. Fred Sweet

    Old Alpine Conversion

    bw- You might also consider mounting a poece of metal flashing about an inch + from the gas line. You could put a bend in it so that it shields the gas line from both the burner and the kiln floor. Regards, Fred
  22. Marcia- Found the link below for a FaceBook group. Don’t know if it is the discussion group referred to above. https://m.facebook.com/groups/653663804761760/?ref=group_header&view=group Regards, Fred
  23. It’s interesting that the chemical formula for tin oxide is SnO2, while the formula for titanium oxide is TiO2, yet most of the responses addressed the original question as being about reducing the amount of tin oxide. Are we certain that this was what was meant? Regards, Fred
  24. Fred Sweet

    Help to identify

    Pres- i’ve never used them, but I think that the measurements are done at the end of the firing ( from what I can determine from the pdf file, whose link I am PM to you). Review the information and let me know how you interpret it. For all others interested, here’s the link: http://www.mantectechnicalceramics.com/sites/default/files/bullers_rings_brochure.pdf Regards, Fred
  25. Fred Sweet

    Help to identify

    Krispy- In your first photo, are those Bullers Rings? Is there any markings on the box? This inquiring mind wishes to know. Regards, Fred
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