Ceramics Glaze Bubbles

When the glaze is applied i see little air bubbles which i rub down.

Ceramics glaze bubbles.

Apply the glaze in a thinner layer to minimize its ability to contain large bubbles. Efforts are made to create a dense laydown to reduce air pockets in dried glaze layer. Fire it in the glaze kiln and enjoy your new bubble patterned piece. In this video i demonstrate how to do the bubble glaze technique for ceramics.

If the dried bubbles leave behind thick crumbs of glaze you ve applied too much. I have experimented with different glazing techniques and consistencies of glaze. Pyrites sulphates some fluid glazes i e. The firing is cone 6 7 with a slow cooling down cycle.

I used a plate i made out of a medium fire clay that i bisque fired. See more ideas about pottery techniques ceramic techniques glazes for pottery. The author hedy yang is a ceramic artist from novi michigan. Fritted glazes generate far fewer bubbles although they can still come from the clay portion of the recipe used for suspending the glaze slurry binders used for hardening and from colorants under the glazes.

Blisters are evident on the fired glaze surface as a moonscape of craters some with sharp edges and others rounded. These craters are the remnants of bubbles that have burst during final approach to temperature or early stages of cooling. She is a studio technician at the michigan art center and started. The lines of glaze should be thin and smooth against the piece.

Rutile blue tend to be quite sensitive to thick application and fast firing and cooling and bubbling problems with them seem out of place.