Axel Posted May 27, 2018 Report Share Posted May 27, 2018 Wondering if anyone has experienced peeling of underglazes and/or colored slip when firing with raku clear glaze. One experienced potter suggesrwd adding EPK kaolin...Any similar experience out there? Link to comment Share on other sites More sharing options...
oldlady Posted May 27, 2018 Report Share Posted May 27, 2018 adding EPK to what, the slip, underglaze or clear glaze? Link to comment Share on other sites More sharing options...
Min Posted May 28, 2018 Report Share Posted May 28, 2018 Underglazes will lift off the pot if they are applied too heavily. If you want solid coverage applying 3 thin coats , allowing the underglaze to dry between coats, works better than one heavy coat. For slips it's best to get the slip onto the pot as soon as you can while the pot is still as close to wet as possible. If the slip still peels/flakes off then you probably need to try a different slip. Link to comment Share on other sites More sharing options...
Axel Posted June 2, 2018 Author Report Share Posted June 2, 2018 On 5/27/2018 at 11:45 AM, oldlady said: adding EPK to what, the slip, underglaze or clear glaze? Adding kaolin and water to underglazes before applucation Link to comment Share on other sites More sharing options...
preeta Posted June 4, 2018 Report Share Posted June 4, 2018 I have done both with no problem. Store bought underglaze and studio made slip that was tested to fit the claybody. But I don’t know how to answer your question before I learn the answers to the questions below. How do you apply the underglaze and slip? On greenware or bisqueware? When it is bone dry or leather hard? How many coats? How long do you wait between the coats. Your answers will help us troubleshoot. What kind of underglaze and slip? Store bought or home made? What kind of slip - casting slip or regular porcelain slip? Link to comment Share on other sites More sharing options...
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