Why is my glaze so powdery?

Discovering a powdery residue on your glazed pottery can be frustrating. This issue is typically caused by a few common factors, but don’t worry – there are steps you can take to address this problem and achieve better glaze results.

Causes of Powdery Glaze:

Powdery glaze can result from inadequate glaze mixing, insufficient firing temperature, or using the wrong type of glaze for the clay body. It can also be due to an overly thick application of glaze, preventing proper melting and bonding.

Addressing Powdery Glaze:

To combat powdery glaze, consider these actions:

  1. Ensure thorough mixing of your glaze to achieve a consistent texture and prevent powdery residue.
  2. Check that you are firing your pottery to the recommended temperature for the glaze you’re using.
  3. Experiment with thinner glaze applications and multiple layers to encourage proper melting and bonding.
  4. Consult glaze recipes and guidelines to choose the right glaze for your specific clay body.

By understanding the causes and taking appropriate measures, you can achieve smoother and more successful glaze finishes on your pottery.

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