Eggshell Rutile

Date: Spring 2021

Creator: Rachel Kaching Tang

Temperature: Cone 6

Atmosphere: Oxidation


Recipe:

Spodumene 40%

Silica 30%

Eggshell Ash 20%

EPK 10%

Rutile 4%

Bentonite 2%


Notes:

Thicker Application works well. Sieved with 60 mesh. Pour or Dip for best results.


Reduction will produce purple and brown tones with white dust.


How to make "Eggshell Ash"

  1. Collect eggshells, clean and wash thoroughly and grind eggshells into powder form.

  2. Fire eggshells in kiln in 800 degrees Celsius (Hold for 10minutes) to get calcined eggshell ash.

  3. Use a mortar and pestle to grind eggshells into fine particles. Sieve eggshell ash in 60mesh, store in lid container and it’s ready to use.


Reduction fired

Reduction fired