Tuesday, March 2, 2010

test 9

"72" Base with Rutile
Cone 6 Oxidation

Neph Sye 24
Dolomite 11
Gerst Bor. 12
Whiting 4
Zinc Oxide 2
Flint 40
Rutile 8

Again the 72 base glaze is an incredible and stable base glaze. With the addition of Rutile the 72 base is a visually rich buttery glaze. This combination captures the movement of the glaze and highlights the peeks and dips of the clay body texture.

This glaze is one of 18 tests. Students of the fall 2009 semester tested in 100 g. batches, recalculated to assure glaze stability, then further tested 500 g. batches, and finally compiled a list of 18 glazes to go through a uniformed batch test. All batches of this 18 recipe set were mixed through a process of precise measurements, 60 and 80 mesh screening, were dipped on cone 04 bisque for 3 seconds, and were finally fired to a witnessed cone 6 oxidation in an electric kiln. (Firing schedules are to follow shortly).

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