Ravenscrag Cone 6 Clear Glossy Base| Code | GR6-A |
| Modification Date | 2011-08-05 12:21:33 |
| Member of Group | RV6 |
| Description | Plainsman Cone 6 Ravenscrag Slip Glaze |
Recipe| Material | Amount | Units | +/- | *Stat |
| Ravenscrag Slip | 80.00 | kg | | |
| Ferro Frit 3134 | 20.00 | kg | | |
| | 100.00 | |
Firing Schedule
| Rate (C) | Temp (C) | Hold (Min) | Step | | 55 | 104 | 120 | 1 | | 167 | 482 | 0 | 2 | | 83 | 593 | 0 | 3 | | 167 | 945 | 0 | 4 | | 60 | 1185 | 20 | 5 | | 278 | 1035 | 0 | 6 | | 83 | 816 | 0 | 7 |
Notes-This recipe is a clear even glossy glaze with a smooth surface. Passes the hot/cold crazing test on M340.
Suggested additions:
- 5% titanium dioxide, 1% cobalt oxide, 1% copper oxide and 0.5% iron oxide for a light glossy blue glaze with some lighter variegations, breaks to a green over the edges.
-3% Cobalt Carbonate, 3% Rutile, 3% Titanium for a variegated light medium blue glaze that breaks greenish over edges.
-2% copper oxide and 2.5% titanium dioxide (survives vinegar test without leaching). Produces a celadon green with some crystal growth on the bottom of the bowls where it pools if thick or if cooled slowly.
-12% zircopax for a white Majolica type glaze
-12% iron oxide red, 1.5% cobalt oxide for a dark black with a tinge of blue.
- 2% Chrome Oxide, 2% Cobalt oxide for a dark teal.
Liner glaze: Add 0.25-0.5% Mason 6300 blue to get a brighter effect on stoneware bodies that might otherwise appear straw yellow under the glaze.
1-5
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