|Monthly Tech-Tip |
It was immediately evident that it was not suspending well, it settled to the bottom quickly and felt fairly sandy. This is not a good sign since it will make slurry processing difficult (because the settling material will immediately clog up the sieve). That being said, a small amount of added bentonite would help to suspend it and make sieving easier. There were a few rocks that were cm-sized. Floating organic material is minimal.
Evaluating a clay's suitability for use in pottery
Would you like to be able to use your own found-clays in your production? Follow me as we evaluate a mystery clay sample provided by a potter who wants to do this.