GENERAL POTTERY

Macs Mud Classic White      

A smooth fine ultra white clay that performs well as earthenware through to white vitrified stoneware. It is ideal for colour and glaze, or on-glaze decoration.

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BEST APPLICATIONS: Throwing and general handbuilding, where a fine white finish is required. 

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MESH:

100#

FIRING:

Bisque at 1000 deg C
Glaze from 1150 - 1280 deg C
 

SHRINKAGE:

6% wet to dry;  12% at 1180 deg C;  13% at 1220 deg C
 

WATER ABSORPTION:

3% at 1180 deg C;  1% at 1220 deg C

Buff Stoneware                    

A traditional smooth, iron bearing plastic stoneware clay, with excellent throwing properties. Fires beautifully in both oxidation and reduction. It is ideal for celedons and iron based glazes and has a good colour response in wood firing.

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BEST APPLICATION: Throwing and handbuilding, large and small.

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MESH:

60#
 

FIRING:

Bisque at 1000 deg C
Glaze from 1150 - 1300 deg C
 

SHRINKAGE:

6% wet to dry:  13% at 1280 deg C
 

WATER ABSORPTION:

1% at 1280 deg C

Brick Red                              

A strong brick red with a long history of popularity in New Zealand. This clay uses a very fine sand to add tooth and strength. The clay stands up well and alters forgivingly. Fires to a rich terracotta red. Made from 100% NZ clay.

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BEST APPLICATION: Throwing and handbuilding, both large and small.

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MESH:

60#
 

FIRING:

Bisque at 1000 deg C
Glaze from 1050 - 1170 deg C
 

SHRINKAGE:

6% wet to dry;  12% at 1170 deg C
 

WATER ABSORPTION:

12% at 1050 deg C;  3% at 1170 deg C

Macs Mud Whitestone         

A superb clay for a full range of hand building applications from raku through to stoneware temperatures. Containing a medium grog, it retains excellent plasticity making it suitable for larger work. Excellent greenware strength, great thermal qualities.

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BEST APPLICATIONS: Great working properties for coiling, slab work, handbuilding.

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MESH:

60# with a 40# grog
 

FIRING:

Bisque at 1000 deg C
Glaze from 1000 - 1300 deg C
 

SHRINKAGE:

6% wet to dry;  8% at 1150 deg C;  12% at 1300 deg C
 

WATER ABSORPTION:

1% at 1300 deg C

Speckled Buff Stoneware    

A superb buff coloured clay, with a white/grey/black speckle (fine-medium grog). Most suitable for handbuilding and sculptural applications, but with the grog being fine enough that throwing on the wheel is still possible. Made from 100% New Zealand clay.

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BEST APPLICATION: Handbuilding and sculptural work. Grog content allows for throwing.

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MESH:

60#
 

FIRING:

Bisque at 1000 deg C
Glaze from 1050 - 1280 deg C
 

SHRINKAGE:

6% wet to dry:  11% at 1220 deg C
 

WATER ABSORPTION:

< 1% at 1220 deg C

Southern Red                       

A fine red terracotta clay, with exceptional stand up strength makes this an excellent choice for the beginner right through to the proficient potter. Fires to a classically beautiful orange colour, which deepens to a richer red at higher temperatures. Made from 100% NZ clays. 

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BEST APPLICATION: Best application: Throwing and hand building, the strength of this clay makes it easy to go large.

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MESH:

60#
 

FIRING:

Bisque at 1000 deg C
Glaze from 1050 - 1170 deg C
 

SHRINKAGE:

12% at 1050 deg C

WATER ABSORPTION:

12% at 1050 deg C;  3% at 1170 deg C