Modification Date: 2016-09-30 22:45:04
Member of Group: RV6
Plainsman Cone 6 Ravenscrag Slip based glaze. It can be found among others at http://ravenscrag.com.
|Ferro Frit 3134||20.0||17.5%|
|Iron Oxide Red||13.0||11.4%|
|Rate (F)||Temp (F)||Hold (Min)||Step|
Every potter wants a good reliable glossy black glaze that has a minimum of toxic metals and fires to an even color without pinholes and blisters. Ravenscrag slip has the unusual ability to host a black color from a high iron content (only a tiny amount of cobalt oxide and chrome oxide are needed).
Ravenscrag Black on Plainsman M340
13 iron, 0.5 cobalt, 0.5 chrome added to the GR6-A base.
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This Plainsman Cone 6 Ravenscrag Slip base it just the pure material with 20% added frit.
2003-07-21 - This is the base cone 6 Ravenscrag recipe, it fires as a transparent glossy (with some variegation from coarser particles that produce some fine speck...
By Tony Hansen+