terrim8 Posted December 30, 2015 Report Share Posted December 30, 2015 I made a vessel sink for our bathroom. It has been ok for two years but recently a small chip appeared on one edge! It is stoneware, sort of an all purpose grey stoneware, fired to cone 9/10. Any advice for making a sturdier sink? Is it technique- perhaps pressing the rim harder? Better stoneware clay or maybe porcelain? Better glaze? Any advice before I try again will be appreciated. Link to comment Share on other sites More sharing options...
Mark C. Posted December 30, 2015 Report Share Posted December 30, 2015 Porcelain is stronger as its tighter than stoneware. You did not give any details on glaze used ? How did the lip get chipped -was it flush with counter or was it stuck on top? Link to comment Share on other sites More sharing options...
Pres Posted December 30, 2015 Report Share Posted December 30, 2015 I would like to see a picture of the sink, including a close up of the chipped area. If it is a rim compression problem, the chipping will give a clue. Otherwise, as Mark has eluded to, there might be ways of protecting the rim from chipping in the future. best, Pres Link to comment Share on other sites More sharing options...
terrim8 Posted December 31, 2015 Author Report Share Posted December 31, 2015 The sink has a clear cone 9/10 glaze (I forget which one!) over a stained leaf pattern. A new sink will give me a better chance to match up with the limestone-shell countertop. I don't know how it was chipped but the edge is perhaps too sharp. It sits on top of the counter. Link to comment Share on other sites More sharing options...
neilestrick Posted December 31, 2015 Report Share Posted December 31, 2015 That's a mighty thin rim for a sink. Won't take much to chip it. I make my sinks much thicker than I would a bowl for the kitchen- I use 18 pounds of porcelain for a finished 16" bowl. Link to comment Share on other sites More sharing options...
Mark C. Posted December 31, 2015 Report Share Posted December 31, 2015 I agree completely that that rim is way to thin for s sink This is one area that thick is better in all places on the bowl. This apears to be a stand on top of the counter sink as well which makes it vonerable to everything so it needs to be beefy Link to comment Share on other sites More sharing options...
glazenerd Posted January 1, 2016 Report Share Posted January 1, 2016 I am taking notes: been wanting to add sinks to my menu. I have seen a couple of sinks done in crystalline glaze_ Beauuuttiful. Notice I am not going out for New Years Eve- was in the ditch 3 times a ten years ago dodging drunk drivers. Not been out since. Nerd Link to comment Share on other sites More sharing options...
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