|Home PageOxides & OpacifiersScarva Raw Materials Cobalt Oxide RM1304||
Scarva Raw Materials Cobalt Oxide RM1304 From £15.60
Most powerful of the colouring pigments. In lead and leadless glazes having a silica content produces strong deep blue whilst in alkaline glazes the colour is bright blue. Glazes high in alumina develop a cool lighter blue.
There are 4 reviews with an average rating of 4.50
katherine from United KingdomOwner09 May 2014 14:28
Works as it should, I use it for oxide washes or within a glaze recipe. cobalt can be very strong, I've found 5% is sufficient in both oxide washes and slip.
Helle from DenmarkOwner19 August 2012 20:56
Well packed, and well priced! Thank you!
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shelly from United Kingdom asks
is this able to be painted on, and dinnerware safe?
Lou from United Kingdom asks
Do you just add water to the oxide powder to decorate greenware, or does it need frit mixed in with it too?
Sophie from United Kingdom asks
If added to a clay body, will it be food safe once fired and glazed? If so, in which quantity yo you suggest to mix it in white clay to get a rich deep blue: 5%? 10%?