THE MACS MUD RANGE COMPRISES SIX CLAY BODIES, EACH WITH THEIR OWN UNIQUE CHARACTERISTICS. ON THIS PAGE YOU WILL FIND USEFUL VISUAL AND TECHNICAL INFORMATION FOR SELECTING A CLAY BODY.
PLEASE USE THE INFORMATION AS A GUIDELINE ONLY. AS A MATERIAL FROM NATURE, CLAY CHARACTERISTICS MAY VARY SLIGHTLY BETWEEN BATCHES AND WE RECOMMEND YOU DO YOUR OWN TESTING.
CLASSIC WHITE
A SMOOTH FINE ULTRA WHITE CLAY THAT PERFORMS WELL AS EARTHENWARE THROUGH TO WHITE 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#
BISQUE: AT 1000 DEGREES CELSIUS
GLAZE FIRE: FROM 1150 - 1280 DEGREES CELSIUS
SHRINKAGE: 6% WET TO DRY, 8% AT 1150, 10% AT 1180, 13% AT 1220, 14% AT 1280
WATER ABSORPTION: 11% AT 1150, 8% AT 1180, 4% AT 1220, 2% AT 1280
BUFF STONEWARE
A TRADITIONAL SMOOTH, IRON BEARING PLASTIC STONEWARE CLAY, WITH EXCELLENT THROWING AND HANDBUILDING PROPERTIES. FIRES BEAUTIFULLY IN BOTH OXIDATION AND REDUCTION. HAS A GOOD COLOUR RESPONSE IN WOOD FIRING. MADE FROM 100% NZ CLAYS.
BEST APPLICATION: THROWING AND HANDBUILDING, LARGE AND SMALL
MESH: 60#
BISQUE: AT 1000 DEGREES CELSIUS
GLAZE FIRE: FROM 1150 - 1280 DEGREES CELSIUS
SHRINKAGE: 6% WET TO DRY, 10% AT 1150, 12% AT 1180, 13% AT 1220, 14% AT 1280
WATER ABSORPTION: 6% AT 1150, 3% AT 1180, 1% AT 1220, <1% AT 1280
BRICK RED
A STRONG BRICK RED CLAY 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. A GREAT CLAY FOR THE BEGINNER RIGHT THROUGH TO EXPERIENCED POTTER. MADE FROM 100% NZ CLAY.
BEST APPLICATIONS: THROWING AND HANDBUILDING, BOTH LARGE AND SMALL.
MESH: 60#
BISQUE: AT 1000 DEGREES CELSIUS
GLAZE FIRE: FROM 1050 - 1180 DEGREES CELSIUS
SHRINKAGE: 6% WET TO DRY, 8% AT 1050, 9% AT 1100, 11% AT 1150, 12% AT 1180
WATER ABSORPTION: 11% AT 1050, 9% AT 1100, 5% AT 1150, 2% AT 1180
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 CLAY.
BEST APPLICATIONS: GREAT WORKING PROPERTIES FOR COILING, SLAB WORK, HANDBUILDING
MESH: 60# WITH A 20/40# GROG
BISQUE: AT 1000 DEGREES CELSIUS
GLAZE FIRE: FROM 1150 - 1300 DEGREES CELSIUS
SHRINKAGE: 6% WET TO DRY, 8% AT 1150, 9% AT 1180, 11% AT 1220, 12% AT 1280
WATER ABSORPTION: 10% AT 1150, 7% AT 1180, 5% AT 1220, 3% AT 1280
SPECKLED BUFF
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.
BEST APPLICATIONS: HANDBUILDING AND SCULPTURAL WORK. GROG CONTENT ALLOWS FOR THROWING.
MESH: 60# WITH A 20/40# GROG
BISQUE: AT 1000 DEGREES CELSIUS
GLAZE FIRE: FROM 1150 - 1280 DEGREES CELSIUS
SHRINKAGE: 6% WET TO DRY, 10% AT 1150, 12% AT 1180, 13% AT 1220, 14% AT 1280
WATER ABSORPTION: 5% AT 1150, 4% AT 1180, 4% AT 1220, <1% AT 1280
