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Columbus Clay Company - Clay
 

 
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Columbus Clay
Low Fire Earthenware
Stoneware Clay Bodies
Porcelain Clay Bodies
Other Clays
Price Guide

Standard Ceramics
Clay Bodies
Price Guide

All moist clays are de-aired, packed in 25# bags, with two bags per box.

We quote on custom clay bodies, both moist and dry, with a minimum order of 1,000 lbs.

Clays available in dry form, 1000 lb minimum, call for pricing.

 

 

Columbus Clay Company Moist Clays  
Low Fire Earthenware Clays Shrinkage Absorption

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#125
 
White Moist
Cone 06-04
A smooth, grogless, white-burning clay suited for coil work and general handbuilding.
*Unfired color is now dark gray but fires bright white.
c06
c04
6.0%
6.5%
c06
c04
19.0%
14.5%
#127
 
White Sculpture
Cone 06-04
This clay is the same formula as white moist with the addition of some fine grog. This makes the clay very suitable for larger wheel thrown and hand built pieces.
*Unfired color is now dark gray but fires bright white.
c06
c04
4.5%
5.5%
c06
c04
15.5%
13.5%
#167
 
Red Moist
Cone 06-04
A smooth, grogless, "Indian Red" color clay. Suited for wheel work and general hand building. c06
c04
7.50%
10.0%
c06
c04
13.0%
6.0%
#177
 
Terra Cotta
Cone 06-04
This clay is the same formula as red moist with the addition of fine grog. This makes the clay a favorite for larger wheel thrown and hand built pieces. c06
c04 
7.5%
9.0%
c06
c04  
13.5%
6.5%
Stoneware Clays

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#146
 
Buff Clay
Cone 2-7
Having a wide firing range, this cream colored clay is an excellent all purpose clay. A good clay to teach wheel throwing. c2
c7
10.0%
12.0%
c2 
c7 
8.5%
1.5%
#112
 

#112NS
Brown Clay
Cone 4-7
An excellent throwing clay body that contains manganese specks. Fires to a medium brown color.

Also available with out specks.
c4
c7
12.0%
13.0%
c4
c7
3.5%
1.0%
#117
 
Speckleclay
Cone 4-7
A nice clay body with fine grog. Great for hand building or wheel throwing. Contains manganese specks. c4
c7
12.0%
13.0%
c4
c7 
4.0%
1.0%
#124
 
SpeckleTan Clay
Cone 4-7
Great all purpose clay body blended with fine grog. Contains manganese specks. c4
c7 
12.0%
13.0%
c4
c7 
3.5%
2.0%
#130
 
Rustone Clay
Cone 4-7
A fine grogged clay body. Fires to a deep rich brown color. Very nice for hand building or wheel throwing. c4
c7
12.5%
13.0%
c4
c7 
1.0%
.5%
#150 Rubystone
Cone 4-7
Rubystone is a unique lightly grogged plastic stoneware body. At cone 5-6 in oxidation the color is golden orange to tan. c4
c7
12.5%
13.0%
c4
c7
1.0%
.5%
#120
 
Barbs Body
Cone 5-10
Very nice stoneware body. This clay throws beautifully and is great for oxidation or reduction fire. Fires to a tannish gray color. c6
c10
12.5%
13.0%
c6
c10
1.5%
.5%
#129
 
Mather Stone
Cone 6-10
A good production clay suited for making ovenware or functional dinnerware. An excellent throwing body that fires a warm gold color under in reduction. Formulated by Tim Mather. c6
c10
11.0%
12.5%
c6
c10 
6.00%
1.0%
#182
 
White Stoneware
Cone 6-10
A very plastic throwing body, off white in color and provides a good base for bright colored glazes. c6
c10
10.5%
12.0%
c6
c10 
9.0%
4.0%
Porcelain Clay Bodies

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#215
 
Grolleg Porcelain
Cone 4-7
Premium English clay body. Formulated at The Ohio State University by Jeanne Otis. Smooth and very white with excellent translucency. c4
c7
15.0%
15.5%
c4
c7
1.0%
.5%
#213
 
Mid Range Porcelain
Cone 4-7
A superior domestic porcelain body. Smooth and easy to work with. Very nice white color and plasticity. c4
c7
13.0%
13.5%
c4
c7
2.5%
.5%
#217
 
Mather Porcelain
Cone 8-10
Great smooth high fire porcelain clay. Very easy to work and great in oxidation and reduction. Formulated by Tim Mather. c10 14.0% c10 .5%
Other Clays

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#116
 
White Raku Clay A great raku formula that contains a blend of fine and medium grog. This body has a good thermal shock resistance. Varies Varies
#222
 
X Clay This clay is mill overrun clay. Great bargain clay. We cannot guarantee any firing properties. Good for non fire applications and clay therapy work.          
#202 Self Hardening Clay This clay hardens to a relatively durable state without firing or baking. It can be decorated with acrylic or oil paints. Not suitable for functional ware. Available in red or white.        

 

Columbus Clay Company Price Guide

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Quantities in Pounds
Pricing per box/lb
50#
$28.00/.56 lb
100#
$25.00/.50 lb
500#
$21.50/.43 lb
1000#
$19.00/.38 lb
2000#
$17.00/.34 lb
Price for #215 Grolleg Porcelain only 
Quantities in Pounds
Pricing per box/lb
50#
$34.00/.68 lb
100#
$31.00/.62 lb
500#
$29.00/.58 lb
1000#
$26.00/.52 lb
2000#
$24.00/.48 lb
Price for #222 "X" Clay only
Quantities in Pounds
Pricing per box/lb
50#
$16.00/.32 lb
100#
$14.00/.28 lb
500#
$11.50/.23 lb
1000#
$10.50/.21 lb
2000#
$10.00/.20 lb
Price for #202 Self Hardening Clay
Quantities in Pounds
Pricing per box/lb
50#
$67.50/1.35 lb
100#
$60.00/1.20 lb
Call

 

Standard Ceramic Supply Company Moist Clays Shrinkage Absorption Back to top
#101
 
Buff Clay
Cone 02-9
An all purpose stoneware clay with a wide firing range for throwing or modeling. Buff color at low temperature and soft gray at cone 9. c4
c9
9.0%
12.0%
c4
c9
5.0%
3.0%

C/6 Ox.       C/9 Ox.        C/9 R.
#104
 
Red Clay w/Grog
Cone 06-4
The controlled grog content of this low fire red clay helps reduce warping and shrinking and produces a textured surface without reducing elasticity. Good for large sculpture, slab or wheel. c06
c4 
6.0%
11.0%
c06
c4 
13.2%
3.0%

C/06 Ox.         C/4 Ox.
#112
 
Brown Clay
Cone 4-6
A plastic clay for wheel and modeling. The addition of granular manganese gives a speckled surface. The ideal temperature for developing best color tone is cone 5. Good results may be expected in reduction or oxidation firing. c4
c6 
12.0%
12.5%
c4
c6 
4.5%
2.5%

C/4 Ox.      C/6 Ox.
#153
 
Stoneware Clay
Cone 4-10
A soft warm beige in oxidation - rich gray brown in reduction. This clay throws beautifully, has exceptional strength and versatility and responds well to all techniques. c4
c10 
11.0%
13.0%
c4
c10
6.0%
2.0%

C/6 Ox.      C/10 Ox.       C/10 R.
#181
 
White Stoneware Body
Cone 6-10
A very smooth white stoneware body. Contains no fire clay.
NOTE: Please add .02 lb. premium for STD 181 clay.
c6
c10 
13.0%
13.9%
c6
c10 
2.8%
1.7%

C/6 Ox.      C/10 Ox.      C/10 R.   
#182 White Stoneware Body
Cone 6-10
Near white plastic stoneware body. Good for use with bright glazes. Contains fire clay. c8
c10
11.0%
12.0%
c8
c10
3.0%
2.1%

C/6 Ox.       C/10 Ox.      C/10 R.
#205 Clay
Cone 4-10
Formulated for reduction firing. Muted brick red at cone 4, stone gray at cone 10. Contains fine grog.
c4
c10
10.5%
12.5%
c4
c10
4.0%
1.5%

C/6 Ox.  C/10 Ox.    C/10 R.
#259
 
Stoneware Clay
Cone 4-10
Formulated to be similar to 153, but with richer color tones. c4
c10 
12.0%
11.0%
c4
c10
4.5%
.6%

C/6 Ox.      C/10 Ox.       C/10 R.
#266 266 Dark Brown
Cone 4-6
Gives reduction-like dark brown color in electric kiln. Smooth and plastic. Good for all techniques. c4
c6
11.5%
13.0%
c4
c6
2.4%
1.4%

C/4 Ox.       C/6 Ox.
#308
 
Brooklyn Red Clay
Cone 4-8
Red stoneware body with sand and grog. Oxidation firing yields red at cone 4 and deep sand at cone 8.
NOTE: Please add .02 lb. premium for Brooklyn Red.
c4
c8 
12.0%
13.0%
c4
c8 
2.5%
1.0%

       C/6 Ox.       C/8 Ox.      
#257
 
English Porcelain
Cone 8-10
A porcelain body with a parian like quality. It's light and tight and transparent when thin. Contains no ball clay. c8
c10
13.0%
15.0%
c8
c10 
1.0%
.65%

   C/10 Ox.        C/10 R.   

 

Standard Ceramics Price Guide

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Quantities in Pounds
Pricing per box/lb
50#
$30.00/.60 lb
100#
$27.00/.54 lb
500#
$24.00/.48 lb
1000#
$21.00/.40 lb
2000#
$18.00/.36 lb
Price for #257 English Porcelain
Quantities in Pounds
Pricing per box/lb
50#
$36.00/.72 lb
100#
$33.00/.66 lb
500#
$30.00/.60 lb
1000#
$27.00/.54 lb
2000#
$25.00/.50 lb