Blackwattle Pottery

Terracotta Clays

TERRACOTTA


                        Suitable for handbuilding or throwing. Excellent working characteristics, easy to dry and fire. Fires orange to brown depending on temperature. Soft orange at 1000oC darker red/ brown at 1100oC. Bisque Cone 06 (1000oC) Glaze Cone 06-01(1000-1150oC). Grog size -50. Contains fine sand for added workability and strength. Sand 50 mesh.

TERRACOTTA ½ GROG

A terracotta clay with the addition of fine 0.5 mm Grog  (20%).
                        A very popular clay for school use. Can be used on the potters wheel and for handbuilding projects. Bisque 1000c).Glaze up to 1150oC.  Grog size – 30 mesh (0.5 mm).

 

TERRACOTTA + GROG


A terracotta clay with large addition of fine 0.5 mm Grog (35%). Suitable for large pots, sculptural pieces etc. Handbuilt or thrown. Bisque 1000o).Glaze up to 1150oC. Suitable for raku firing.
Grog size – 30 mesh  (0.5 mm).  (grog = calcined (fired) clay.)

 


TERRACOTTA TILE CLAY
A terracotta clay with the addition of coarser (1mm) grog. Suitable for large handbuilt and thrown pieces.  Good tile clay.  Fires a rich orange colour.  Bisque 06(1000oC). Fire up to 1200oC. Grog size -16 
(1 mm).   Excellent clay for tiles.