MACS MUD CLAY RANGE

The Macs Mud range comprises five clay bodies, each with their own unique characteristics. On this page you will find useful visual and technical information for selecting a clay body. 

We know it can sometimes be hard to choose the right clay. COMING SOON - some selection tips for Macs Mud Clays, and for some general tips for using our clays. 

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.

Best applications: Throwing and general handbuilding, where a fine white finish is required. 

MESH:

100#

FIRING:

Bisque at 1000oC
Glaze from 1150 - 1280oC

SHRINKAGE:

6% wet to dry
12% at 1180oC
13% at 1220oC

WATER ABSORPTION:


3% at 1180oC
1% at 1220oC

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.

Best applications: Throwing and handbuilding, both large and small. 

MESH:

60#

FIRING:

Bisque at 1000oC
Glaze from 1050 - 1170oC

SHRINKAGE:

6% wet to dry
12% at 1170oC

WATER ABSORPTION:


12% at 1050oC
3% at 1170oC

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. Made from 100% NZ clays

Best application: Throwing and handbuilding, large and small

MESH:

60#

FIRING:

Bisque at 1000oC
Glaze from 1150 - 1300oC

SHRINKAGE:

6% wet to dry
13% at 1280oC

WATER ABSORPTION:


1% at 1280oC

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. A very wide firing range. Excellent greenware strength and great thermal qualities. Made from 100% NZ clays.

Best applications: Great working properties for coiling, slab work, handbuilding

MESH:

60# with a 40# grog

FIRING:

Bisque at 1000oC
Glaze from 1000 - 1300oC

SHRINKAGE:

6% wet to dry
8% at 1150oC
12% at 1300oC

WATER ABSORPTION:


1% at 1300oC

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. 

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

MESH:

60#

FIRING:

Bisque at 1000oC
Glaze from 1050 - 1170oC

SHRINKAGE:

6% wet to dry
12% at 1170oC

WATER ABSORPTION:


12% at 1050oC
3% at 1170oC

 

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