6 pcs. 18mm ceramic buttons karo blaugrün We put 3 layers of

We put 3 layers of glaze manually and when they've dried

First we fire these buttons at 1180-1200 degrees so that they vitrify and then we glaze them and fire once again at 1060

Porcelain buttons Rosewood

These are about 18 mm and sold a set of 8 pieces

6 pcs. 18mm ceramic buttons karo blaugrün We put 3 layers ofCeramic buttons karo. These are about 18mm and sold in a set of 8. The buttons were fired two times. First firing is the so called bisque firing where temperature goes as high as 1000C degrees. After that our buttons are ready to be glazed. We put 2 layers of glaze manually and when they've dried, buttons are fired for the second time at about 1230C degrees. The backside of the buttons stays unglazed. Its like a stone to the touch. Can you wash the