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Clay Selection Chart

Category Description Product Code
Suitability Guidelines
Texture 1=smoothest 10=coarsest Firing Range °C (under normal oxidising conditions)
      General Purpose Tiles Throwing Handbuilding Slabbing General Domestic Large Domestic Slip Casting Wood Firing    
St Thomas Bodies Oxidising St Thomas PB 150-1102   4-5 1150-1280
  Reduction St Thomas PB 150-1104   4 1150-1275
  Classic Reduction St Thomas 150-1104C   4 1150-1275
  White St Thomas 150-1106     5 1160-1300
  White St Thomas PB 150-1506     5 1160-1300
General Stoneware Buff Stoneware 151-1117       2 1150-1290
  Buff School Clay 151-1120         1 1100-1290
  Sanded Buff 151-1124       4 1100-1290
  Lavafleck PB 151-1514         4-5 1200-1270
Throwing Stoneware Flecked Stoneware 152-1109         4 1150-1290
  Flecked Stoneware PB 152-2109         4 1150-1290
  Stoneware Body 152-1110         3-4 1160-1290
  Staffordshire Stoneware 152-1115         1 1200-1300
Crank Bodies Original Craft Crank 153-1114       8 1170-1300
  Original Craft Crank PB 153-2114       8 1170-1300
  Premium Craft Crank 153-3114         8 1170-1300
  Sculpture Crank 153-7070         9 1170-1300
  Grogged Pink 153-1127       6 1120-1270
  Industrial Crank 153-1153       8 1210-1300
  David Wright Handbuilding 153-2152         6 1200-1300
  Miller Tile Body 153-5112         6 1220-1300
Raku Bodies Original Raku PB 154-1154             7-8 900-1300
  Coarse Raku 154-1156             10 900-1300
  Smooth Raku 154-1159             7 900-1300
  Tandoori (1tonne units only) 154-0131             10 900-1300
Porcelain DL Porcelain 155-1147         1 1220-1290
See Aneto and Onyx porcelains HF Porcelain 155-1149         1 1220-1290
in Specialist Clays JB Porcelain 155-4000         1 1220-1290
  Bone China 155-1148           1 1200-1250
White Grogged Bodies White Crank 156-0630         6 1220-1300
  T Material 156-1161             7-8 1200-1300
  Y Material 156-2161         7-8 1200-1300
Airdrying Clay Creative Clay - grey 165-1187                 1 not recommended for firing
(contains fibres) Creative Clay - red 165-1188                 1  
White Stoneware White Special Stoneware 157-1142         1 1200-1300
  White Grog Stoneware 157-4230       2 1200-1300
  Draycott White Stoneware 157-1143       1 1200-1300
  White Stoneware 157-1145         1-2 1200-1300
  White Stoneware PB 157-2145         1-2 1200-1300
  Modelling Clay 157-1150             1 1100-1280
White Earthenware Studio White Earthenware 158-1141           1 1100-1220
  White Earthenware Sanded 158-4130       3 1100-1240
  White Earthenware Handbuild 158-4120       4 1120-1200
Red Bodies Keuper Red 159-1132A         1 1080-1250
  Keuper Sanded Red 159-3240A     3-4 1080-1250
  Grogged Red 159-1134       6 1050-1200
  Original Red S/E 159-1135         1 1050-1170
  Red Earthenware Terracotta 159-1137         1 1040-1170
  Etruscan Red 159-1139         1 1060-1160
  Etruscan Red Medium 159-1139M       3 1060-1160
  Etruscan Red Sanded 159-1139S       6 1060-1160
  Sanded Red 159-3730     3 1040-1170
  Chocolate Black PB 159-2130         1 1040-1120
Specialist Clays Onyx Black Porcelain (5kg) 164-ONYX         1 1200-1240
produced for Potclays by SIO2 Aneto Porcelain (5kg) 164-ANET         1 1230-1270
  Athena Porcelain Paper Clay (5kg) 164-ATHE               1 1230-1270
  Apollo Stoneware Paper Clay 164-APOL           1 1100-1260
  Artemis White Grogged Stoneware 164-ARTE         1-2 1240-1300
  Rokk Grey Grogged Stoneware 164-ROKK             7-8 1200-1300
  Vulcan Black Stoneware (fine) 164-VUF             1-2 1200-1240
  Vulcan Black Stoneware (medium) 164-VUM             4-5 1200-1240
  Vulcan Black Stoneware (coarse) 164-VUC             8-9 1200-1240
  Vulcan Black Stoneware (ex coarse) 164-VUX             9-10 1200-1240
  Apache Red Micaceous Body 164-APA               2 920-1000
  Green Earthenware (5kg) 164-GREEN             1 1050-1080
  Blue Earthenware (5kg) 164-BLUE             1 1050-1080
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