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Stages Of Clay
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Published on Nov 19, 2015
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PRESENTATION OUTLINE
1.
CLAY STAGES
A MUST KNOW FOR SUCCESS
Photo by
rishibando
2.
Plastic
Wet clay
Shapeable
Moldable
Fresh from your bag
Mostly water
Workable
Can join to other pieces
Photo by
phatcontroller
3.
LEATHER-HARD
Partially dry
15% moisture content
Still visibly damp
Can handle without deformation
Able to scratch, carve, incise
Stage for making a box
Best stage to slip and score and attach clay to clay
Photo by
Paul Chenoweth
4.
BONE DRY
Completely dry
Depleted of water
Most fragile stage of clay
Ready for first firing in kiln
Cannot slip and score or add clay to it
Ready to bisque fire
Photo by
nirbhao
5.
BISQUEWARE
To fire clay the first time
No water left in it
Pink in color
Makes a pinging sound
Kiln firing temperature is1945 degrees..cone 04
Ready for glazing
Photo by
bptakoma
6.
SLIP
Liquid clay
Mixture of water and clay
Poured into molds to make grandma pottery
Potter's glue
Can be colored slip for decoration (engobe)
Photo by
Auzigog
7.
GLAZEWARE
Glossy, shiny or matte
Finished product
2nd firing in kiln
Ready for grading
Forms a water-tight surface
Low fire 06
High fire cone 4-6
Glaze has been applied
Photo by
Black Country Museums
8.
GREENWARE
Never been fired
Can be plastic, leather-hard or bonedry
Ready to fire if it's on the greenware shelf
Photo by
gydnew
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