Last Cone 5/6 Test
These maybe the last cone 5/6 tests that I do. I won’t say I’ll never return to cone 5/6 because who knows what the future holds. These were fired to cone 5. This is my …
Tag: dug clay
Slumping
This is not something with which I’ve had much experience. I was very surprised when I opened the kiln and found it stuck to the shelf in this manner. This clay body tested at 1.5% …
Porosity tests of 100% local clay
Tests of my red clay and Moon clay (Moon community, southeast Oklahoma) both of which were just rough processed through window screen. The sandstone revision 3 is the SS3 bar. It’s fine processed with some …
Practical Drying Tests
A couple of largish greenware (unfired) test pots from 100% wild clay. Both of these were dried inside with the AC, but uncovered to see how they would do. They didn’t crack. The red bowl …
Backyard Red Stoneware
This clay comes from the banks of our red clay ditch that started out as a cattle trail 50 or so years ago. It’s what I call my “non-sandy” deposit. It’s still sandy, just not …
Moon Clay (Moon Community)
I did not have to put this clay in the dewatering tub. It settled enough on its own that it didn’t need it. I only rough screened this clay (window screen). It dewaters extremely fast …
Playing with Plasticity (ie varying sand amounts)
You know how you’re trying to solve a problem and finally come to a solution and think wow, that’s so simple, I should have thought of that ages ago?? My clays are sandy. Recently I’ve …
Digging Clay
This is the best time of year for digging and processing clay in my area. The worst of the heat has passed, but it’s generally still warm and dry. The dry weather aids in dewatering …
Limestone and Bone Ash Additions to Sandstone Clay
These are two batches of test tiles with limestone and bone ash for the flux. Because calcium can make a very narrow firing range, I mixed two batches to fire on my middle shelf and …
Test Results for Nepheline Syenite Additions to Sandstone Clay
For the previous post on this clay https://daylenes.com/2021/07/27/test-the-sandstone-clay/ I tested each batch only once. For better accuracy, do multiple tests. However, this tells me that I need to add more Neph Sye than I like. …
