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Sunday 8 April 2018

Cone 6 colour tests

Date: 9 April 2018
Clay: Keanes Stoneware 7

Following on from last week's Cone 6 tests. Adding different colour oxides in 50-50 mixture for HP and four different colour tests for 14Pine.

HP 
Colour tests 50:50 grid

Mixed up 250gms of Base Glaze and then divided it volumetrically into 5 equal batches.
Started the five test pots with double strength as they will be diluted by 50% when combined with another pot.

Added colourants as below:
A - 3% Copper Carbonate
B - 2% Cobalt Carbonate
C - 6% Red Iron Oxide
D - 12% Rutile flour
E - 8% Titanium Dioxide

glaze test colours

14 Pine Street
Colour variations

Mixed up 200gms Base Glaze and divided it into four batches.
Added these colourants
1 - 0.375% Cobalt Carbonate, 6% rutile
2 - 0.25% Cobalt Carbonate, 3.5% Titanium dioxide, 2.25% Copper Carbonate
3 - 0.25% Cobalt Carbonate, 2.25% Copper Carbonate
4 - 0.25% Cobalt Carbonate, 3% Red Iron Oxide


14P colour mixes
Kiln colour

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