annbclay Posted March 2, 2011 Report Share Posted March 2, 2011 I'm looking into a new clay body and I'm interested in knowing what is considered the maximum absorption rate outdoor work can tolerate. I've always considered it to be no more than 2% is that correct? Ann B Link to comment Share on other sites More sharing options...
Chris Campbell Posted March 2, 2011 Report Share Posted March 2, 2011 Absorbtion rates are also an "it depends" situation. From what I have read, you either want the clay to be entirely or nearly entirely vitrified so it will be impervious to water, or a somewhat porous body which will absorb then drain off water or even allow for some expansion of freezing water in the clay itself. (This is why bricks last so long.) Link to comment Share on other sites More sharing options...
Madison Mitchell Posted March 2, 2011 Report Share Posted March 2, 2011 Not too long ago, someone had a similar question regarding glazing outdoor sculpture, and absortion came up, but I can't remember the post title... I've searched, but I can't find it. I think Marcia Selsor was one of the responders, and the replies had some good answers. Maybe one of the veterans with a better memory than I can find this post for you, it might be helpful. Anyone? Link to comment Share on other sites More sharing options...
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