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Step 1. Is It Ready?
Step 1. Is It Ready?
WARNING! The plaster mould must be room temperature to the touch. If the mould is cold it means there is still too much water in the plaster AND YOU MUST WAIT!
Rubric:
7pts = Two bowls pictures can be before or after glazing
8pts = Three bowls pictures can be before or after glazing
9pts = Three bowls and includes pictures of BOTH before and after glazing
10pts = Four or more bowls and includes pictures of BOTH before and after glazing
Step 2. Do this Every Day!
Step 2. Do this Every Day!
Shake Container - Make sure the lid is held on tight!
Clean Cast from Yesterday
Sand Edge with wet canvas
Use Sponge to clean up imperfections
Use exacto to SHAVE (NOT CUT)
At 11:45 - 11:50 Shake out excess clay slip from mould
Remember!
Remember!
Sign out an exacto by WRITING your name on the sheet. Please CROSS OUT your name when you return the tool
There are TWO carts. One will NOT get fired and the other is READY TO FIRE
Glazing!
Glazing!
What is a DRY FOOT?
What is a DRY FOOT?
Means NO GLAZE ON THE BOTTOM
Specifically where the ceramic will be TOUCHING the kiln shelf.
What is a Kiln?
What is a Kiln?
A furnace or oven for burning, baking, or drying, especially one for calcining lime or firing pottery.
What Happens Inside a Kiln?
What Happens Inside a Kiln?
Ceramic reaches temperatures of 1945 degrees Fahrenheit
Clay (dry mud) --> Ceramic (rock)
Glaze (dry powdery) --> "Lava" (inside kiln) --> Glass (after fired)
OPTION A = Underglaze
OPTION A = Underglaze
What it looks like? Watercolor
Description? The color is UNDERNEATH clear glass.
Process?
Step 1. Apply colored underglaze to your work (what you see is what you get!)
Step 2. Apply THREE THICK COATS of the "pink" gloss glaze (this will turn into glass)
Liquid underglaze
Solid underglaze (use like watercolor)
Liquid Gloss Glaze (This is the clear glass)
OPTION B = Overglaze
OPTION B = Overglaze
What it looks like? Colored Glass
Description? The color mixed with the glass.
Process?
Step 1. Apply THREE THICK COATS of the glaze*
*Coats can NOT be put on the same day
1 Coat of Glaze
1 Coat of Glaze
2 Coat of Glaze
2 Coat of Glaze
3 Coat of Glaze
3 Coat of Glaze
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