SUMMER SALE
(clays must be delivered or picked up by August 31, 2008*)
10% Off Already Low Prices
Shop on-line as you would normally and checkout. Our sales staff will deduct the various discounts from the List Price and send a notification by email with your adjusted total before charging your account or credit card.

*Please be advised that if clay freezes during shipment it can be time consuming to recondition. Due to this fact, clay is shipped ‘at your risk’ during the winter months. No refund or credit will be given for frozen clay. If ordering clay, please add a note in the ‘Comment Field’ that you accept these terms.

*PLEASE NOTE: the cost of shipping clay generally exceeds the price of the clay itself. Average UPS charges for moist clay range from $15.00 to $40.00 per box depending on your location. Please consider this cost before placing an order for clay. If you want an estimate of shipping charges for a clay order, please call our Sales Staff at 800-431-6067.

The following descriptions are provided to help you choose the Tucker’s clay that best suits your needs. Please read the definitions below with respect to these clays:

Grog - Grog is ground fired clay, added to clay bodies to reduce shrinkage, minimize warpage, improve drying properties and increase wet strength. In general, grog is labeled by the largest size particle it contains with no limit on how fine they may become. (A “30-mesh grog” may vary dramatically containing particles as fine as 100 or 200-mesh and differing percentages of actual 30-mesh particles.) Tucker’s uses a controlled (30x80)-mesh Grog in all its production clay bodies. This means that the particle sizes are limited so that there are none larger than 30-mesh and none finer than 80-mesh. Controlled grog content helps insure consistent working properties from batch to batch.

Kyanite - This is a low-thermal-expansion material used in clay bodies to aid drying, minimize warpage, and improve thermal shock resistance. Tuckers uses a fine 100-mesh kyanite in some of its clays to get these benefits when additional grog would inhibit the workability or detract from the surface quality of the body.

Silica Sand - A coarse form of silica used in clay bodies to improve drying properties and minimize warpage when a smooth, clean, light- colored surface is desired. Used in porcelains and smooth, “porcelaineous” stonewares to improve workability while maintaining whiteness.

Tucker's Moist Clays

Low Fire Clay Bodies
(Custom Formulas Available, 30 Box Min. 1320 lbs., Large Orders in Multiples of 30 Boxes, No Set-up Fee - Call for Info)

Price per Pound
(1-23+ boxes)

02-20 White C/04
A talc-less low fire white clay designed to feel more like a stoneware than an earthenware body. Very popular for throwing and with school programs. Accepts most commercial low-fire glazes.

02-20 White with Grog C/04
Same talc-less body as above but with the addition of 5% (30x80)-mesh grog: improves handbuilding properties but does not interfere with throwing.

PHB Red C/04
This smooth, slightly sticky body is for throwing and hand- building and accepts most commercial glazes well. It is able to retain its plasticity over long periods of time and, as a result is very popular with children’s and senior’s programs. PHB is an extremely good dryer. It fires Pink-Brown @ C/06 and a slightly darker more Orange color @ C/04.

PHB-G Red with Grog C/04
Same as above but with 5% (30x80)-mesh grog added. It retains its good plasticity and drying properties but is better suited for larger pieces. This addition of grog does not interfere with throwing.

Red Majolica C/04
This body employs a leadless frit to help it develop strength, durability and vitrosity similar to stoneware but @ Cone 04. It fires to a beautiful, rich, brick red and was originally designed to provide a backdrop for “Majolica” decoration. This clay is an excellent solution to the dilemma of making truly functional ware at Low-Fire temperatures. Contains no grog.

Mid-Range Stonewares & Porcelain
(Custom Formulas Available, 30 Box Min. 1320 lbs., Large Orders in Multiples of 30 Boxes, No Set-up Fee - Call for Info)

Price per Pound
(1-23+ boxes)

Smooth White C/4-6
This clay body was designed for the production potter who wants a smooth white clay without the problems associated with porcelain. The formula contains a large number of different clays to ensure a stable, reliable body. It contains 5% 100-mesh kyanite for workability while maintaining its smooth white surface. Glaze colors stay bright and true on this body: it fires a warm white @ Cone 6.

CCSS (Speckled) C/4-6
This is a very responsive stoneware that builds extremely well. It contains 5% (30x80)-mesh grog for even drying and warp resistance, but still throws and trims easily. This body fires to a warm tan with dark specks produced by the inclusion of a small amount of granular manganese. Glazes interact with this attractive, speckled surface giving beautiful “Reduction-like” effects.

Mid Cal 5 C/4-6
This is a plastic, all-purpose, fire-clay based body that throws and builds well. The addition of 5% (30x80)-mesh grog aids in the production of large pieces and ease of drying. It fires a warm light brown @ Cone 6.

Mid Red C/4-6
This is a fairly smooth body with 5% (30x80)-mesh grog for some tooth and good drying properties. It is a very responsive throwing clay and trims well. Glazes come alive on the beautiful dark brick red color that it fires to @ C/6.

Mid Smooth Stone C/4-6
This body is a very smooth, plastic clay with no grog or coarse fireclay in the formula. It is designed for throwing but can also be used for handbuilding when a smooth, clean surface is required. Contains 5% 110-mesh Silica Sand to aid with drying and warpage. Fires creamy white @ Cone 6 keeping glazes bright: a good compromise between stoneware and porcelain.

Mid Smooth Stone Speckled C/4-6
This clay is identical to the Mid Smooth Stone with the exception that it has the addition of Granular Manganese.

Mid White C/4-6
This is a fireclay-based body with a non-sticky feel. It is used extensively for both throwing and handbuilding. The addition of 5% (30x80)-mesh grog makes it suitable for larger pieces and an excellent dryer while taking only a little “whiteness” away. It fires a warm grey-white @ Cone 6.

6-50 Porcelain C/4-6
An alternative to MCS, this body is a little less plastic but fires a bit whiter. It also shrinks slightly less and has a lower absorption.

MCS Porcelain C/4-6
This is Tucker’s most popular Cone 6 Porcelain. It is a smooth, robust, plastic body which is used mainly for throwing but can also handbuild small pieces. It fires very white @ Cone 6.

Mid Porcelain 5 C/4-6
This body is very similar to MCS but with the addition of 5% 75-mesh Silica Sand to provide the tooth necessary for hand-building larger forms and improve its drying properties. Fires very white @ Cone 6.

High Fire Stonewares & Porcelains
(Custom Formulas Available, 30 Box Min. 1320 lbs., Large Orders in Multiples of 30 Boxes, No Set-up Fee - Call for Info)

Price per Pound
(1-23+ boxes)

Sandstone C/10
A very popular stoneware used extensively for functional work. It is a super throwing clay with a small amount of fireclay and 5% (30x80)-mesh grog to aid in drying. Sandstone fires to a stoney grey in Reduction and a lighter grey in Oxidation @ Cone 10.

Smooth Stone C/10
This is a very smooth plastic clay with no grog or coarse Fireclay in the formula. It was designed as a throwing body but can be used for handbuilding when a clean surface is required Contains both 5% 100-mesh Kyanite and 5% 110-mesh Silica Sand for excellent working properties making it popular with production potters and schools alike. Considered a good compromise between stoneware and porcelain: fires light grey in Reduction and off cream in Oxidation @ Cone 10.

Pro Stone C/10
This body was designed for the professional, production potter and contains many different ingredients to minimize changes caused by raw material variances. Includes both 5% (30x80)-mesh grog and 5% 100-mesh Kyanite making it suitable for handbuilding, throwing and pressing. Pro Stone fires buff in Oxidation and an attractive warm brown in Reduction @ Cone 10.

Dark Stone C/10
Dark Stone is a fireclay type body with 5% grog for excellent building & drying properties. When fired to Cone 10, it is a slightly greyish tan in oxidation and a beautiful orange-red in reduction. Glazes really come alive over its very attractive surface.

White Sculpture (/Raku) up to C/10
This is a coarse handbuilding clay originally designed for large-scale sculptural work. Contains 25% (30x80)-mesh grog making it suitable for pieces with large cross-sections. It does not contain any fireclay, so it fires quite white at low temp (for Raku). Fires off-white in Oxidation and a warm tan-grey in Reduction @ Cone 10.

10-85 Translucent Porcelain C/10
A classic porcelain made with a combination of the finest North American kaolins. A very small addition of a white firing ball clay is included to improve workability while maintaining good translucency. It fires very white in Oxidation and slightly grey in Reduction @ Cone 10.

H.H.P. Porcelain C/10
This is Tucker’s most popular non-Grolleg porcelain. It is a classic high-kaolin / low-ball clay formula for throwing and handbuilding. H.H.P. is a trouble-free body that trims and dries easily. It fires very white in Oxidation and a little grey in Reduction @ Cone 10.

English Porcelain C/10
A premium Grolleg-based porcelain that contains no ball clay. It is the whitest most translucent porcelain we’ve seen. Care must be taken when firing because this clay completely vitrifies at Cone 10. Beautifully white in both Oxidation and Reduction.

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Raku/Sculpture Clays
(Custom Formulas Available, 30 Box Min. 1320 lbs., Large Orders in Multiples of 30 Boxes, No Set-up Fee - Call for Info)

Price per Pound
(1-23+ boxes)

Thompson Raku Up To C/6
This clay is designed primarily for Raku but can be fired as high as Cone 6. It is quite plastic but contains 20% (30x80)-mesh grog for excellent building and drying properties as well as warpage and thermal shock resistance. It fires to a light buff color @ Raku temperatures. For sculptural applications, the high grog content also increases wet strength and permits thick cross-sections for large-scale work. It is a pleasant, warm light-tan when fired to Cone 6.

White Sculpture / Raku Up To C/10
This was originally a coarse handbuilding clay with 25% (30x80)-mesh grog making it suitable for large-scale sculpture with large cross-sections. The high grog content also imparts excellent warp-resistance and thermal shock properties which has made it a popular Raku body. It contains no fireclay so it fires very light at Raku temperatures. For sculptural applications it can be fired as high as Cone 10 and is off-white in Oxidation and a warm tan-grey in Reduction.

Go to Tucker's Sculptor's P' Clays™

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