What Chemicals Makeup Crackle Glaze? — Spinning Pots

You may have heard of crackle glaze, also called crazing. This does involve a specific technique, but there are a few chemicals that can help with creating this, and here, we’ll talk about what they are.

If you’re wondering what chemicals make up crackle glaze, then you’re in luck because here, we’ll explore a few different types, and why these chemicals are needed to do this.

What You Always Need in Crackle Glaze

Two chemicals are always necessary for crackle glaze, and here, we’ll talk about what they are.

If you want crackle glaze, you need two types of oxides, and they are as follows:

These two oxides are needed in this for a variety of reasons, and they are important when learning about crackling.

Some of the reasons why you may need this is because of the following:

• They have the highest level of thermal expansion
• They can usually be found in ceramic materials
• To craze, you need to make sure that it does get fired hot to expand, and then from there, let it cool down fast to create the crazing lines

If nothing else, you always have these two, and you’ll want to have these there.