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  1. The model of the ring was made of wax. To remove...

    The model of the ring was made of wax. To remove the wax, I use the same oven for firing the flasks, I put the flasks with the hole downwards raised in a small metal tray so that the wax drains...
  2. I made another ring and it always has the same...

    I made another ring and it always has the same problem: lack of internal material. Another problem that has occurred simultaneously with the other is the following: in the outer part of the ring...
  3. Thanks a lot Dennis.

    Thanks a lot Dennis.
  4. What is the best method to make a silver jewel look very old?

    Hello everybody,
    what is the best method to make a silver jewel look very old?
    Thanks in advance.
  5. I tried with baking soda by boiling them in a...

    I tried with baking soda by boiling them in a small metal container but I didn't get any results, maybe with caustic soda it is different being a very powerful base. Now I have mounted the stone on...
  6. Green oxide after immersion in pickle solution

    Hello everyone,
    I dipped an 800 silver ring in boiling in a solution of vinegar and salt in order to remove the black oxide resulting from the melting of the metal, after I pulled it out and rinsed...
  7. Missing material inside the ring after lost wax casting

    Hello everybody,
    I made an 800 silver ring using the lost wax casting technique, the result was that there was a bit of material missing inside the ring, as if there was a void. I wonder what went...
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    What do you advise me regarding "warm safety...

    What do you advise me regarding "warm safety pickle"? What kind of products? Sulfuric acid is certainly very effective but it seems to me possibly dangerous as a solution.

    In the casting scraps to...
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    How long do you leave it at 530 degrees...

    How long do you leave it at 530 degrees centigrade? By the term "filigree" do you mean if there was a very detailed wax pattern in the flask and consequently it requires a higher temperature to...
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    What should the ideal temperature be for the...

    What should the ideal temperature be for the flasks to avoid blackening?
  11. You're right, I made that change and now I get...

    You're right, I made that change and now I get email notifications when someone replies to a post I've participated in.

    Thanks everyone for the help :)
  12. Replies
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    I use 800 silver because I have a lot of scrap to...

    I use 800 silver because I have a lot of scrap to melt. I don't think the metal can be overheated since sand casting with the same type of metal does not show the oxide. Perhaps it could be the...
  13. How can I do to add my thread to the subscription...

    How can I do to add my thread to the subscription folder?
  14. How to get email notifications when someone replies to my thread?

    Hello everyone,
    how can I do to get email notifications when someone replies to my thread?
    Thanks in advance.
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    Thanks Dennis for your reply, I will be waiting...

    Thanks Dennis for your reply, I will be waiting for any other replies :)
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    Seeing some videos on youtube, why for many...

    Seeing some videos on youtube, why for many silversmiths the melting of the silver inside the flasks is not oxidized but the silver is clear immediately after the breaking of the plaster coating...
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    Black oxide on silver after melting

    Hello everybody,
    when I pour molten silver (I usually use 800 silver) and pour it into plaster cylinders for lost wax casting, the silver oxidizes and becomes dark in color similar to black....
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