Opaque Underglazes Information
Opaque underglazes are used for large, solid area coverage. They will block out other underglazes over which they are applied. Opaque underglazes are mostly clay with pigment, while One Stroke™ Underglazes are mostly pigment with little clay. These two can be intermixed. Underglazes can be used directly from the jar, but should be put out onto a tile to avoid contamination of the remaining product in the jar. Make sure the consistency is like melted ice cream. Dip a dampened, blotted brush into the color. Fully load the brush without dragging it on the side of the tile. Apply color in a flowing motion. If it starts to drag, reload the brush. The clay will absorb the moisture from the color. As you flow the color on, avoid ridges and runs. Brush these flaws out as you apply. On an embossed piece, do not allow excess color to build up. Brush excess out of crevices as underglaze is applied. Apply the first coat. When the dark wet look has disappeared, apply the second coat at a right angle to the first. Apply the third at a right angle to the second coat. This will assure better coverage.

General Notes & Application:

  • Non-Toxic
  • Apply to greenware
  • Lightly dampen the ware with a moistened sponge before application
  • Shake the jar well, Should have the consistency of melted ice cream
  • Apply with a soft brush. Use the largest brush to cover the area. Can be sponged or spattered.
  • Apply 3 even coats. 4 coats required for UG-84, UG-85 and UG-86. Apply coats at right angles to one another.
  • Do not thin for general application. If using a technique which requires thinning, use water or AC-304
  • All colors are intermixable
  • Can be tinted with One Stroke Underglazes
  • Fire to shelf cone 04. Can be fired to cone 6
  • A glaze finish is applied after firing to bring out the true color and vividness of this product. Opaque Underglazes are not true color out of the jar, making them more difficult to design with.