Slip casting in ceramic production the best way to product by liquid ceramic pieces with undecut

The liquid clay (composed of a mixture of clay and water) is poured into the mould. The plaster then begins to absorb the water, drawing the towards it which then solidifies against the internal walls in the shape of the mould.

 

When the thickness is adequate, the mould is emptied of the excess clay so forming the shape in the interior of the object.

 

After some time the piece reaches a certain consistency and ready to be taken out. It then passes through various stages of finishing touches,

 

the last stage is sponging with water to give a smooth and improved surface. The finished pieces are allowed to dry and then fired.