Valentines and Scarva Earthstone Clays.

We usually stock the underlined ones but can order any of them including direct delivery of larger quantities.

Terracotta

v       Standard Red Terracotta – Smooth to Medium – 1080oC-1160oC – Light red, darker as temp. increased. An extremely popular general purpose clay based on a blend of Etruria Marls. Suitable for throwing, handling & casting.

v       Standard Red Grogged – Medium – 1080oC-1160oC – Light red, darker as temp. increased. Addition of grogg improves throwing strength and increases resistance to cracking and warping on larger pieces. Suitable for throwing and modelling.

v       Terracotta Fine 120’s – Smooth – 1080-1160oC – Light red becoming darker as temp. increased. Blend of Etruria Marls produced finer to make a pleasing smooth finish. Suitable for machining and throwing.

v       Terracotta V636 – Smooth – 1020oC-1160oC – Smooth – Medium red, darker as temp. increased. Very well behaved clay; blend of Etruria Marls and Shropshire Fire Clays. Good plasticity, suitable for throwing and modelling.

v       Terracotta RBC 60s – Medium to Smooth – 1040oC-1160oC – Pale red, darker as temp. increased. Contains fine graded China Clay and Etruria Marls. Developed to improve casting. Suitable for all types of production or studio work.

v       Terracotta Sculpture – Medium to Coarse – 1020oC-1220oC – Light red, darker as temp. increased. Contains medium to coarse grogg. Open texture retaining good plasticity and thermal shock resistance. Suitable for large sculptural, garden and slab work.

v       Terracotta Moulding Clay – Very Coarse – 1020oC-1100oC – Mid red, darker as temp. increased. Traditional coarse, pan milled and pug milled North Yorkshire terracotta clay. Highly plastic, suitable for modelling and sculpture work.

Stoneware

v       Stoneware V9A – Smooth to Medium – 1180oC-1280oC – Buff to Grey. Excellent general purpose modelling clay, containing Shropshire & South Staffs Fire Clays, fine graded dust free grogg. Suitable for throwing and hand modelling.

v       Stoneware V9G Grogged – Medium – 1180oC-1280oC – Grey buff to speckled grey. Addition of Grogg giving good resistance to cracking and warping. Behaves well under oxidising and reduction conditions.

v       Stoneware HT – Smooth to Medium – 1120oC-1280oC – Buff to grey. Recommended for reduction. Contains a fine grogg.

v       Stoneware HT Grogged – Medium – 1120oC-1280oC – Buff to grey. HT but with addition of mesh graded dust free grogg.

v       Stoneware HT Special – Smooth to Medium – 1120oC-1280oC – Buff to grey. HT but containing additives to increase resistance to thermal shock. Suitable for oven to tableware.

v       Stoneware Delta – Smooth to Medium – 1120oC-1280oC – Light Buff to Grey. Pronounced speckle will appear through glaze under oxidising conditions. Suitable for modelling, casting and throwing.

v       Stoneware Special Fleck – Smooth to Medium – 1150oC-1280oC – Buff to grey. Carefully blended natural stoneware which speckles under normal conditions. Heavier speckling under reduction.

v       Stoneware White Fleck – Smooth to Medium – 1180oC-1280oC – Off white speckled. Containing high quality China and Ball Clay. Suitable for throwing and modelling with a pronounced speckle.

v       White Stoneware B17C – Smooth – 1220oC-1280oC – Pale buff. Selected blend of low iron clays providing an ideal background for a decorative approach to stoneware ceramics. Silica sand makes it excellent for throwing.

v       White Stoneware B17C Grogged – Medium – 1220oC-1280oC – Pale buff. As B17C but addition of fine dust free grogg.

v       Stoneware White Millennium – Very Smooth – 1160oC-1260oC – Off white. Ultimate white stoneware, firing whiter with  high plasticity. Suitable for throwing, modelling and casting and will tolerate earthenware/stoneware conditions.

v       Stoneware Arctic – Smooth – 1220oC-1260oC – Off White. Even whiter colour, suitable for throwing and modelling.

v       Stoneware Birch – Smooth to Medium – 1120-1280oC – Buff colour. Good all round clay. Suitable for modelling, throwing and casting.

v       Crank – Coarse – 1200oC-1280oC – Buff. High plasticity; high thermal shock resistance for large sculpture and slab work.

v       Stoneware Toasted – Medium to Smooth – 1140oC-1250oC – Warm buff. Carefully blended Stoneware Fire clay and Etruria Clay with a fine grogg. Pleasant reduction under normal oxidising conditions. Suitable as an all purpose body for throwing, hand building and casting.

v       Raku – Smooth to Medium – 960oC-1060oC & 1220oC-1280oC – Buff to grey. Very fine firebrick grogged clay, suitable for throwing & hand building.

v      Steve Harrison Body – Medium to Smooth – 1160oC-1280oC – Off White. Similar to the Harry Davis Body, being a white highly versatile fine body containing a fine silica sand with good salt-glazing properties. Suitable for throwing and casting.

Porcelain Clays

v       Audrey Blackman Porcelain – Very Smooth – 1220oC-1280oC – White and translucent. Developed for modelling and throwing using the finest materials available. Due to high plasticity this body is not suitable for casting and is only available in pugged form.

v       Royale Porcelain – Very Smooth – 1220oC-1280oC – White and translucent. A blend of Audrey Blackman and Special Porcelain giving high plasticity and ease of handling. Developed by popular demand.

v       Special Porcelain – Very Smooth – 1220oC-1280oC – White and translucent. High quality porcelain containing fine white clays with an addition of Bentonite. Suitable for modelling, hand building and casting.

v       P2 Porcelain – Smooth – 1220oC-1250oC – White and translucent. An economy body giving a high degree of translucency at a slightly lower temperature. Suitable for casting and throwing.

v       Porcelain Grogged – Medium – 1220oC-1300oC – White, translucent. Very plastic, firing extremely white. Fine molochite for drying without cracking or warping. Suitable for throwing, hand building or sculpting. Oxidising or reducing conditions.

v       Industrial Porcelain – Smooth – 1180oC-1280oC – White. Extremely hard wearing Porcelain when fired upward of 1200oC. Suitable for throwing or modelling, and in grinding applications.

v       Hard Paste – Very Smooth – 1300oC-1380oC – White. Option A –throwing/pugged & Option B – casting/filtercake. Replicates a Continental type of hard past porcelain – available in two options.

Additional Bodies

v       Fine Bone China – Very Smooth – 1240oC – White and translucent. Very well know body used extensively by Bone China manufacturers in Stoke on Trent and their overseas subsidiaries. Suitable for casting and machine making.

v       Parian Body – Smooth – 1200oC-1240oC – White and translucent. A self-glazing body, extremely translucent through a large temperature range. Ideal for cast figurines, dolls, light forms etc.

v       ETC Semi-Porcelain – Smooth – 1220oC-1250oC – White translucent. Non-bone translucent body to fire along Bone China.

v       Standard White Earthenware – Smooth – 1120oC-1160oC – White. Suitable for once-firing, giving good green fired strength and produces excellent casting slip.

v       LF White Earthenware – Smooth – 1060oC-1160oC – Off white. Wide and low fire range. Suitable for throwing, machine making and slab building.

v       White Earthenware Grogged – Medium – 1080oC-1180oC – Off white. Grogged white earthenware with a wide firing range, suitable for larger work containing white grogg to increase resistance to cracking and warping.

Earthstone Clays (Scarva)

v       E/S 5 Original Body – 1180oC-1280oC – Very white. Highly resistant to warping, cracking and thermal shock. Suited to salt-glazing and reduction firing. Excellent base for colour decoration. Carefully blended with molochite enables it to throw large or wide pieces easily, and is a useful modelling body too. Very popular and versatile clay.

v       E/S 5 – 20% Original – As E/S 5 with extra molochite.

v       E/S 10 Extra Smooth – Very smooth – 1160oC-1280oC – Very white. Wide firing range enables use of either low temperature or mid temperature glazes. Excellent base for colour decoration. Throws and casts extremely well; takes sprigged or stamped decoration beautifully. Very reliable top quality multiuse clay.

v       E/S 20 Smooth Textured – 1180oC-1300oC – Very white. Excellent base for decoration; high plasticity and remarkable handling properties make it ideal for throwing, slab building, fine modelling, coiling or sculpture. Low shrinkage due to specially selected molochite means it is highly resistant to warping, thermal shock & cracking and is an excellent hand building body; it is highly recommended for raku, salt-glazes and reduction firings.

v       E/S 40 Hand Building Material – 1200oC-1300oC – White. This stoneware/raku body has exceptional handling properties due to the addition of selected and graded molochite creating incredibly strong clay with excellent keying properties, low  thermal expansion and high resistance to thermal shock, warping and cracking. Very suitable for large sculptures, large scale slabs and coiling. Its white finish gives excellent results with colour. Its low shrinkage rate means it can be high biscuited and decorated with bright mid temp. colours. It also responds well to stoneware, raku and reduction firing.

v       E/S 45 Professional Coarse Textured Crank – Very Coarse – 1170oC-1300oC – White. Contains graded chamotte for added building strength and minimizing shrinkage. It is heavily enough grogged to make the most extreme sculptural forms and is highly resistant to warping and cracking. Especially of interest to producers of architectural ceramic handmade tiles, relief panels, murals or restoration work.

v       E/S 50 Crank – 1160oC-1300oC - Buff – Orange. Produced by the slip house method using lime-free graded grogg providing pure, clean, uniform clay with excellent keying properties, warp resistance, low shrinkage and excellent green and fired strength without the usual disadvantages of lime bearing cranks. Gives toasted buff in oxidation and a rich, warm speckled orange under reduction.

v       E/S 60 Smooth Textured Crank – 1160oC-1300oC – Similar to E/S 50 but with a finer surface and closer texture – takes surface details well and can be used as a coarse throwing body.

v       E/S 65 Terracotta Crank – 1080oC-1220oC – Enabling you to create large sculptural pieces without the risk of lime popping, commonly associated with grogged reds. A beautifully textured, richly coloured clay combining the warmth and excellent working properties of red clay with the strength of a crank. Ideal for all types of hand building.

v       E/S 70 Architectural Body – 1240oC-1300oC – White to off-white – Created with extremely low shrinkage, only 6% from plastic to 1260oC – allowing just sufficient space for grouting. Completely frost proof with excellent thermal resistance.

v       E/S 75 Smooth Textured Terracotta Crank – Fine grogged alternative to E/S 65 to take surface detail.

v       E/S 80 Reduction – 1220oC-1300oC – Highly plastic, ideal for reduction firing and for oxidation and salt glazing. Excellent warping and cracking resistance and its high proportion of ball clay make it easy to work. Ideal for producing domestic tableware. Specially developed for the needs of craft and studio potters. Suitable for throwing and jiggering.

v       E/S 90 Flecked – 1220oC-1300oC – Attractively speckled even in an oxidised electric kiln.

v       E/S 109 Professional Speckled Stoneware – 1160oC-1290oC – Speckled. Superbly plastic with an attractive speckle; made from ball clays and medium textured silica sands. Gives a reduction effect when fired in an oxidising atmosphere. Designed for the professional potter and is excellent for domestic ware with good thermal shock properties.

v       E/S 120 Ming Porcelain – 1220oC-1280oC – Extremely white and translucent. One of the best throwing porcelains with excellent standing properties. Fluxed with a slow acting flux to minimise slumping. Intended for cones 7-10.

v       E/S 130 White Earthenware – 1060oC-1150oC – White. Plastic clay, throws well, excellent colour response and wide firing range. Ideal for school use. Casts well and designed for most commercial low fire glazes. Smooth with no grogg.

v       E/S 150 Golden Harvest – 1180oC-1280oC – Rich golden harvest yellow. Throws, casts, takes sprigged or stamped decoration beautifully. Highly resistant to warping, cracking and thermal shock. For both S/ware and E/ware firing.

v       E/S 160 Special – 1200oC-1300oC – White. Excellent base for colour decoration this clay has highly plastic and handling properties making it excellent for large and small pots. Highly resistant to warping, cracking and thermal shock; also suited to salt-glazing and reduction firing. Specially selected and blended molochite make it incredibly versatile.

T.S. Flax Paper Clays (Scarva)

v       E/S 200 Smooth; E/S 300 Grogged; E/S 400 White Earthenware; E/S 600 Porcelain; E/S 800 Terracotta

Finely chopped fibres of flax and cellulose produce very forgiving clay bodies offering potters the widest possible range of making options. Flax Paper Clay gives strong, flexible lightweight clay with virtually no mould growth. Suitable for raku, oxidation, reduction, salt and soda. The fibres create strong but a flexible internal structure that transfers moisture easily and evenly. Greenware rewets easily and allowing re-work, altering and adding of new clay at any stage of dryness. Possible to build and dry an armature as a support sculpture that need not be removed for firing. Greenware even bone dry is unbelievably strong and easy to handle and transport if necessary. Potters can now concentrate on being artists. 

Earthstone Air-Drying (Scarva)

v       E/S 950 Air-Drying Modelling Clay – Suitable for schools that may not have a kiln, it produces an ideal opportunity for pupils to experiment and create with clay. Manufactured by mixing fibres with the most plastic materials available it has unrivalled strength and plasticity. The super fine particle size allows model makers to produce very detailed forms. Earthstone air-drying clay can be decorated with acrylic paints and clear varnish with excellent results.

Professional Clays

v       PF560 White Stoneware – 1200oC-1300oC – Off white. Strong grained plastic clay made from the purest white ball clays. A superior body with very smooth throwing characteristics. This body has been designed for the professional production potter. Is excellent for domestic ware with good thermal shock properties. It stands up extremely well and fires to an off white colour. It works well in oxidising and reduction atmospheres.

v       PF570 White Stoneware Grogged – 1200oC-1300oC – Off white. As PF560 but with 10% Molochite 80’s added for potters who require clay with more tooth to aid in the production of larger work with ease of drying. The molochite allows this body to be used for small hand built and coiled pots.

v       PF640 GT Material – Sculptural Body – 950oC-1300oC. High performance, extremely workable, durable clay body. Carefully selected grades of molochite have been added to give tooth & strength, minimal shrinkage and excellent thermal shock properties. GT Material can with stand demanding sculptural or tile needs and is ideal for large life-size pieces. It is very useful for mixing with other clays to give them strength and can also be used successfully in raku firings.

v       PF510 Peter Beard – Heavily Grogged Clay Body – 1140oC-1280oC. Peter Beards own clay body recipe is made from a blend of the most plastic white ball clays available. This white firing, medium textured body is most suitable for hand built pieces to create textural surfaces. A combination of molochite and silica sand gives this body low shrinkage, good warp resistance and green strength.

v       PF520 Ashraf Hanna – Super White Raku Body – 900oC-1200oC. The very best white smoke fired raku body on the market. With over 55% molochite, this body can withstand the most extreme thermal shock. This is due to its high alumina plastic ball clay, and three different grades of molochite. This body has a very low shrinkage and has a medium texture and is highly resistant to warping and cracking.

v       PF530 Phil Rodgers – Stoneware Clay Body – 1220oC-1310oC. Phil Rogers own clay body recipe is made from a blend of the most plastic ball clays available today. This fine to medium body allows both small and large items to be thrown effortlessly. It is suitable for oxidising, reduction and salt glazing. Under oxidising conditions it fires to a warm buff. Under reduction it fires to a toasted buff.

v       PF540 Jim Robinson – Heavily Grogged Crank Body – 1220oC-1310oC. Heavily grogged coarse crank clay. This body has all the elements to allow the maker to produce large textured sculptural pieces. Made from highly plastic iron bearing ball clays. It offers low shrinkage and is ideal for ceramic murals and figurative work. This body is suitable for oxidising or reduction atmospheres.  

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Last modified: February 20, 2007