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Found 3 results

  1. From the album: Monoprinting with plaster

    Tile I made using a plaster slab, underglazes and porcelain casting slip, learned technique in Andrew Wandless' book 'Image Transfer on Clay' and also Joanne Veevers on CAD. This is still in greenware stage, not entirely sure how all of those colors will look as bisque and then glazed
  2. I have been given a 25kg bag of powdered porcelain. If I want to use this to make casting slip, what other ingredients would I need and in what proportion? Also, could I use it for throwing - if so, same question, what else would I need to add? I hate to waste a 'freebie' so would welcome any helpful comments.
  3. ceraymics

    Darvan #811

    Hi, I'm mixing VC vitreous white /\6 casting slip, which calls for 3.5% Darvan 7. Unfortunately I cannot get Darvan 7 any longer and was sold Darvan 811. I'm trying to find out how much DArvan 811 to use as it is "much stronger"....very vague. Research on the internet, and phone conversations with reps from the manufacturer (Vanderbilt) and Laguna haven't helped much as they say "to add little by little", "don't use too much", "wait at least 24 hours after adding Darvan 811, as it works much slower than Darvan 7". I have done all that but the slip still feels thick and almost gooey. I don't know how much Darvan is too much. Does anybody have had this experience, and found a solution? Vitreous white /\6 grolleg 25 EPK 25 Kona F-4 30 frit 3124 4 flint 16 bentonite 2 H2O 40-50% darvan 7 3.5 grs darvan 811 ????? Thanks, raymonde

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