How Do You Pour Ceramics Slip Into A Plaster Mold?
This is how to make greenware. The plaster mold absorbs moisture from the slip, leaving a clay shell. Make sure the mold is clean and dry. Close the mold, fastening it shut with rubber bands or mold straps. Pour the slip into a container that will hold more than enough slip to fill the mold. Stir the slip with a wooden paint stirrer to be sure that it’s mixed well. Pour the slip steadily into the pour hole of the mold. The plaster will absorb moisture from the slip, forming a layer of clay. Keep filling the mold until the drying clay forms a 3/16-inch wall. This is a general rule; the thickness will vary depending on the size of the mold. (Smaller pieces are typically thinner.) When the piece is thick enough, pour the excess slip out of the mold and set the mold upside down over a container (such as a bowl) for about 10 minutes. Turn the mold upright and give the clay time to harden ‘ 15 minutes or so should be sufficient. You want the piece to be able to stand up by itself without fol
