Clay Specifications – Walker

NameCodePowderMethodMesh SizeTextureShrinkage
(wet to dry)
Shrinkage
(dry to fired)
UsesFired Colour (Oxidised)Fired Colour (Reduced)Vitrified Temp (ºC) <2%
Imperial Porcelain 4317 AA1 BM FP N/A 13.39.9 1280a,b,d Super white, Translucent White 1210
Limoges White Porcelain TM10 AU500 FP BM N/A 1316.3 1280a,b Snow White, Translucent White 1240
Superior White Porcelain AA10 FP N/A 12.310.2 1300a,b Snow White,Translucent White1220
PB103 Fine
White Stoneware
AA103
FP 12023.48.0 1300a,b,d White White 1260
Feeneys White StonewareAA21 FP 12023.58.0 1300a,b,d White White 1225
No.10 Stoneware AA100 FP 8033.18.0 1300a.b.c White Light grey white 1260-1300
White Midfire AA175 FP 8033.39.5 1200a,bWhite 1210
Special Stoneware AA210 FP60428.5 1300a,b,c Cream grey mottle Grey with buff speckle 1280
White PotteryAA215 HM603-431.0 1060
9.0 1300
a,e White
Off White
Light grey beige 1260-1300
School Earthenware Stoneware AA220 HM3043.21.0 1060
3.3 1250
5.8 1300
a,c,e Off white
Off white
Off white
Very light
Grey / beige
1280-1300
White Handbuilding Earthenware AA225 HM3042.81.0 1060
4.2 1300
c,e Off white Off white mottle Light grey mottle 1300
White Earthenware
AA300FP 8032.31.2 1100
6.0 1250
a,bWhite
Grey White
1250
School Terra CottaAA325HM30462.5 1080a,b,eRich Terra CottaN/AN/A
PB103 Paper ClayAGA103PC FP 12023.48.0 1300a,b,d White White 1260
White EW Paper ClayAGA300PCFP 8032.31.2 1100
6.0 1250
a,bWhite
Grey White
1250
T = Texture Suggested Uses MFG Code
1 – Extremely smooth a = General, throwing, hand building, coiling & thin walled wire Method of Manufacture
2 – Very Smooth b = General production domestic ware & detailed work FP = Filter pressed
3 – Smooth c = Large pots & decorative plates HM = Hammer milled
4 – Medium d = Casting BM = Filter pressed & ball milled
5 – Medium to course e = Hand building especially large ware, sculpting, slab work & tiles
6 – Very course f = Raku, black ware, burnishing & wood firing