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NORTHCOTE POTTERY SUPPLIES

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Clay

Terracotta
Clay Description Bisque Temp Glaze Temp Shrinkage MSDS

Northcote Pottery - PS2000 TERRACOTTA

A strong, gutsy, general purpose body. Smooth enough for throwing and with enough strength for hand building purposes. An excellent clay for school use.

Fires a salmon pink to deep,rich orange depending on the firing temperature.

1000ºC - 1100ºC

1100ºC

Wet-Dry 6.5%
Dry -1000ºC " 1.5%
Dry -1100ºC " 4.5%
Dry -1200ºC " 5.5%

Data Sheet

Clayworks - CTC FINE TERRACOTTA

A rich red terracotta, filter-pressed to ensure consistency and fine particle size. Ideal for throwing, and with an excellent glaze fit at 1140ºC.

960ºC - 1000ºC

1100ºC

Dry to Fired Shrinkage at 1100ºC 6.5%

Data Sheet

White Earthenware
Clay Description Bisque Temp Glaze Temp Shrinkage MSDS

Northcote Pottery - PS4080 FINE WHITE EARTHENWARE

A white, filter-pressed clay body suitable for controlled hand building and fine throwing. A sturdy, low- temperature tableware body

An ideal surface for underglaze decoration or other color additions.

Suits fine hand building and modeling.

1000-1100ºC

1100-1150ºC

Wet-Dry Shrinkage 5%
Dry -1000ºC " 0.5%
Dry -1100ºC " 0.5%
Dry -1200ºC " 0.6%

Data Sheet

Northcote Pottery - WEB - White Handbuilding Earthenware

A light, creamy white, hand building body. Great for sculptural or modeling purposes because of its larger particle size.

An excellent clay for school students. Does not like to be fired when wet-damp.

960ºC - 1000ºC

1050-1100ºC

Wet-Dry Shrinkage 6%
Dry -1000ºC " 1%
Dry -1100ºC " 3%
Dry -1200ºC " 5%
Dry - 1300ºC " 5%

Data Sheet

Mid-Fire
Clay Description Bisque Temp Glaze Temp Shrinkage MSDS

Northcote Pottery - PS5000 EARTHENWARE/ STONEWARE

A very smooth, plastic, filter-pressed, body. Fires to an off white, creamy body. Excellent for mid-range tableware and all throwing purposes and hand building, modeling and sculpting.

An excellent body for school students and beginning hand builders looking for fine detail.

1000-1100ºC

1100-1150ºC

Wet-Dry Shrinkage 5%
Dry -1000ºC " 0.5%
Dry -1100ºC " 0.5%
Dry -1200ºC " 0.6%

Data Sheet

Raku
Clay Description Bisque Temp Glaze Temp Shrinkage MSDS

Northcote Pottery - RHB WHITE RAKU

An open, white, sandy body ideally suited to raku firing and thermal shock situations. Equally good for hand building rugged sculptural forms. Fires to a stone-like appearance.

1000ºC

1100ºC-1280ºC

Wet-Dry Shrinkage 3% Dry -1000ºC " 1% Dry -1100ºC " 1.5% Dry -1200ºC " 4% Dry - 1300ºC " 5%

Data Sheet

Keane - PAPER CLAY WHITE RAKU

Paperclay has added paper particles which increase the strength of the body when building large or thin forms. An excellent rugged handbuilding body.

1000ºC

1100ºC-1280ºC

Shrinkage at 1000ºC 6.9%

Data Sheet

Keane - WHITE RAKU

A medium-textured clay grogged with fine sand. Suitable for handling and throwing. Will fire at either earthenware or stoneware temperatures.

1000ºC

1080ºC – 1300ºC

1000ºC 6.9%

Data Sheet

Feeneys - BUFF RAKU

Full stoneware temperature body becoming very dark and highly speckled due to high content of dark burning trachyte dust as part of the grog content. Suitable for addition to stoneware clays for grog content, texture, speckiness and colour.

Suits larger pieces, handbuilding, sculpture and Raku firing.

1000ºC

1100-1300ºC(beware trachite fluxes onto kiln shelves - batt wash shelves well)

Wet-1200ºC 12%
Wet-1300ºC 12.5%

Data Sheet

Feeneys - RED RAKU

An excellent strong, forgiving, handbuilding body. Suited for sculptural and large pieces, and for adding to other clays to increase grog content or darken colour.

Do not apply glaze to Red Raku at stoneware temperatures as it tends to 'shell off.'

1000ºC

1100-1300ºC

Wet-1100ºC 9%
Wet-1200ºC 10%
Wet-1300ºC 10%

Data Sheet

Stoneware
Clay Description Bisque Temp Glaze Temp Shrinkage MSDS

Northcote Pottery - PS3010 WHITE STONEWARE

An off-white, plastic stoneware body with excellent throwing characteristics for beginning throwers and for domestic ware. Fires to white with a gray tint.

1000ºC - 1100ºC

1280ºC

Wet-Dry Shrinkage 5% Dry -1000ºC " 1% Dry -1100ºC " 3.5% Dry -1200ºC " 6% Dry -1300ºC " 10%

Data Sheet

Clayworks - LGH FINE STONEWARE

Excellent for throwing a wide range of functional ware. Fires grey to buff colour.

960ºC - 1000ºC

1280ºC

Dry to Fired Shrinkage at 1100ºC 6.3%
1200ºC 2.0%
1300ºC 3.5%

Data Sheet

Clayworks - JB3 FINE WHITE STONEWARE

A fine white stoneware. A body especially formulated for the porcelain potter. JB3 is a very plastic clay and fires to a beautiful white stoneware body with good glaze fit.

960ºC - 1000ºC

1280ºC

Dry to Fired Shrinkage at 1100ºC 7.0%
1200ºC 0.7%
1300ºC 3.5%

Data Sheet

Clayworks - RGH RED STONEWARE

Excellent throwing clay, similiar to LGH but with the addition of iron. Clay body fires to a chocolate brown when fired in reduction.

960ºC - 1000ºC

1280ºC

Dry to Fired Shrinkage at 1100ºC 6.3%
1200ºC 2.0%
1300ºC 3.5%

Data Sheet

Clayworks - TMK PORCELANEOUS STONEWARE

A very fine, particle-sized white firing clay, highly plastic. An excellent throwing clay, good for functional ware.

960ºC - 1000ºC

1280ºC

Dry to Fired Shrinkage at 1100ºC 7.5%
1200ºC 2.5%

Data Sheet
Porcelain
Clay Description Bisque Temp Glaze Temp Shrinkage MSDS

Clayworks - SOUTHERN ICE PORCELAIN

A truly magnificent, translucent, stark white clay. One of the best porcelains available and surprisingly easy to work.

1000ºC - 1100ºC

1280ºC

Wet to fired shrinkage 1280ºC 7%

Data Sheet

Clayworks - JB1 PORCELAIN

A fine, white-firing porcelain suitable for large objects as well as fine, delicate work. JB1 has excellent glaze fit characteristics.

960ºC - 1000ºC

1280ºC

Dry to Fired Shrinkage at 1100ºC 6.2%
1200ºC 9.0%
1300ºC 1.5%

Data Sheet

Specialist Clay
Clay Description Bisque Temp Glaze Temp Shrinkage MSDS

Earthstone - TEXTURED BLACK PF680

Contains fine grog which gives a close texture to the body and a fine surface to finished pieces.

When fired in Oxidation to 1100ºC it produces plum colours, at 1200ºC it is black and at 1230ºC it is black/brown. When fired in Reduction up to 1300ºC it is black.

960ºC - 1000ºC

1080ºC - 1260ºC

-

Data Sheet