5# Concord Grape Glaze (dry material)
Description: A deep purple, copper glaze. It only goes purple when it's applied over Black Magic Slip. These examples are on porcelain and over black magic slip. It's the only way we've been using this glaze. Also, is the kiln your work is in being fired in a Good Reduction atmosphere? Email me at [email protected] for more information.
Note 1: The blue flashing on the side of this mug happened where it was close to the burner flame.
Mixing: Add water and screen twice thru an 80 mesh screen. Mix to about 45 on the hydrometer.
Application:
1) First apply Black Magic Slip to your greenware when it's bone-dry before you bisque fire. We like to spray it on. Make sure it's not too thick if you're going to dip the slip on. It will turn out a little different. Be Sure to test everything!
Note: you can also apply BMS to bisqueware and re-bisque it to cone 010.
2) WE BISQUE ALL PORCELAIN TO CONE 010. Important. Cone 04 is to high to bisque. It's only meant for groggy stoneware bodies. So, bisque the BMS onto the work to cone 010.
3) Once the BMS is Bisque fired on, you can now apply any of the copper-purple glazes.
To apply Concord Purple: Spray, or dip with a count to 4 to 6 seconds.
Firing: Cone 10 in reduction.