Potclays

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Raku Clay 1154
Raku Clay 1154
Firing Range: 900°C-1300°C Designed for those producing large sculptural forms intended for either raku or stoneware firing, it contains coarse textured grogs which produce a pronounced fleck when fired to stoneware. Offering superb thermal shock resistance and low shrinkage it is easily the best raku body. For more information on this clay, please follow this link: Technical Data Texture...

5

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Chocolate Black Clay 1130
Chocolate Black Clay 1130
Firing Range: 1040°C-1120°C Chocolate Black fires to produce a warm brown-black at earthenware temperatures, which becomes a more intense black when glazed. High pigment levels restrict the firing of this clay to a recommended range of 1040°C-1120°C. This body is highly thixotropic. It may seem very firm straight from the bag but will soften. For more information on this clay,...
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Creative Air Hardening Clay Red 1188
Creative Air Hardening Clay Red 1188
Firing Range: 1000°C-1050°C 1188 Potclays' CREATIVE CLAY red Creative clay is an air-drying clay developed using the highest quality materials available Essentially a standard potters modelling clay with an addition of nylon fibres to provide exceptional bonded strength when dry and unfired. These nylon reinforcing fibres are an excellent bonding agent which reduces brittleness and means...
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Sanded White Earthenware Clay 1141-30
Sanded White Earthenware Clay 1141-30
Firing Range: 1100°C-1240°C General purpose white earthenware body of exceptional handling properties arising from the inclusion of white sand/grog into the plastic LT25 base. Throws well and suitable for larger pots also. For more information on this clay, please follow this link: Technical Data Texture - 3 Fired Colour - White % Total Shrinkage at 1100°C - 9 % Total...
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Standard Smooth Red Terracotta 1137
Standard Smooth Red Terracotta 1137
Firing Range: 1040°C-1170°C Highly plastic blend of red marls giving a good colour and high fired strength. Attractively priced. For more information on this clay, please follow this link: Technical Data Texture - 1 Fired Colour - Red Brown % Total Shrinkage at 1100°C - 10 % Total Shrinkage at 1200°C - N/A

5

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White Earthenware Clay 1141 LT25
White Earthenware Clay 1141 LT25
Firing Range: 1100°C-1220°C Known for many years as LT25, it is a very plastic white earthenware clay designed primarily for throwing. Firing to an ivory-white it offers good green strength. For more information on this clay, please follow this link: Technical Data Texture - 1 Fired Colour - White % Total Shrinkage at 1100°C - 9 % Total Shrinkage at 1200°C - 14 ...

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Craft Crank Clay 1114
Craft Crank Clay 1114
Firing Range: 1170°C-1300°C One of our flagship clays, the original Craft Crank is often copied but never bettered. Carefully graded grog additions to a superb blend of clays makes this clay outstanding for all larger forms of slabbing and handbuilding The unique plasticity of the clay enables the more adventurous potter to throw with it. TIP: The trademark Craft Crank toasted colour...

5

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Draycott White Stoneware Clay 1143
Draycott White Stoneware Clay 1143
Firing Range: 1200°C-1300°C An excellent, smooth-textured, white stoneware body based on plastic fireclays and china clays. Throws well and stands up well on the wheel. For more information on this clay, please follow this link: Technical Data Texture - 1-2 Fired Colour - White/Off White % Total Shrinkage at 1100°C - 10 % Total Shrinkage at 1200°C - 12

5

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Flecked Stoneware Clay 1109
Flecked Stoneware Clay 1109
Firing Range: 1150°C-1290°C Attractively flecked stoneware body based on a ball clay blend. Superb throwing properties for small or large pieces. Flecking burns nicely through covering glazes giving a reduction fired appearance under oxidising conditions. An extremely good body for thrown domestic stoneware.There may be some variation in fleck size and/or density from batch to batch due...
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Grogged Pink Clay 1127
Grogged Pink Clay 1127
Firing Range: 1120°C-1270°C A blend of crank and terracotta clays produces an attractive warm brown fired colour suitbale for slab built forms, coiled pots and tiles, giving a general purpose hand-building body with good tooth and character. Pleasant pink colour around 1100-1160C becoming darker at stoneware. Good warp and crack resistance. For more information on this clay, please follow...
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Grogged White Stoneware Clay 1142-30
Grogged White Stoneware Clay 1142-30
Firing Range: 1200°C-1300°C Sanded version of the 1142 clay, particularly good for throwing. For more information on this clay, please follow this link: Technical Data Texture - 1-2 Fired Colour - Off White % Total Shrinkage at 1100°C - N/A % Total Shrinkage at 1200°C - 12
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Industrial Crank Craft 1153
Industrial Crank Craft 1153
Firing Range: 1210°C-1300°C The original Industrial Crank clay made from a fireclay base is less plastic than Craft Crank but possess the ability to maintain performance in larger forms and at high temperatures. Suitable for large sculptural work, slabbing, saggars and Raku. Very refractory open texture and low shrinkage. Good warp resistance. Fires to a warm buff. For more information...
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Modelling Clay 1150
Modelling Clay 1150
Firing Range: 1150°C-1280°C The smoothest and most plastic modelling clay available. Used extensively by modellers/sculptors working in diverse fields from pottery to film and television, including those working with silicone moulds. Used to produce the models for the 2015 Star Wars Exhibit at Madame Tussauds, London. Wide firing range: Can be fired to earthenware and stoneware temperatures. For...
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New Keuper Red Clay 1132
New Keuper Red Clay 1132
Firing Range: 1080°C-1230°C 159-1132A is a reformulation of 159-1132 (prior to that, 159-1131) due to a further change in fired result/colour response due to the iron oxide. If you are a previous user of 159-1131 or 1132 we strongly recommend that you take a sample of 159-1132A for testing before buying in quantity. For more information on this clay, please follow this link: Technical...
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New Lavafleck Clay 1155
New Lavafleck Clay 1155
Firing Range: 1200°C-1270°C Popular for its distinctive rustic, flecked character. Good handling for throwing. Shelves need to be well coated with refractory wash to prevent sticking during firing. There may be some variation in fleck size and/or density from batch to batch due to the nature of the material For more information on this clay, please follow this link: Technical Data Texture...
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Oxidising St. Thomas Clay 1102
Oxidising St. Thomas Clay 1102
Firing Range: 1150°C-1280°C Extremely popular general purpose high earthenware and stoneware body speckling very attractively under normal or slightly reducing conditions. Excellent resilience and tolerance. Good warp and crack resistance. Throws and slabs well. Outstanding for school use. Fires to toasted buff. For more information on this clay, please follow this link: Technical Data Texture...
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Premium Craft Crank Clay 1114M
Premium Craft Crank Clay 1114M
Firing Range: 1170°C-1300°C Our Premium Craft Crank clay is manufactured by powder blending ball clays and our unique lime-free Hi-Pur grogs to produce a fireclay-free clay. Offered as an alternative to our original Craft Crank, it copes well with the larger forms and is only bettered by the original Craft Crank. For more information on this clay, please follow this link: Technical Data Texture...
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Reduction St. Thomas Clay 1104
Reduction St. Thomas Clay 1104
Firing Range: 1150°C-1280°C Classic Reduction St Thomas is Reduction St Thomas 150-1104 with added iron to give fired results more akin to the ‘old’ Reduction St Thomas body of the 60’s, 70’s and 80’s. Over the years, whilst the R/STS recipe has remained the same, natural raw materials have inevitably changed as mining progressed and the market has required...
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Rokk Grey Grogged Stoneware 164-ROKKRokk Grey Grogged Stoneware 164-ROKK
Rokk Grey Grogged Stoneware 164-ROKK
Firing Range: 1200°C-1300°C Rokk Grey Grogged Stoneware has been developed for sculptural applications and for outdoors pieces, the high grog content (40% fine grog 0-0.5mm) providing a beautiful textured surface and excellent handling qualities. Depending on the firing temperature this body takes on a range of grey hues. To retain a 'cool grey', fire at 1200C or below. The grey...
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Sculptural Crank Clay 1114SC
Sculptural Crank Clay 1114SC
Firing Range: 1170°C-1300°C For more information on this clay, please follow this link: Technical Data Texture - 8 Fired Colour - Brown Buff % Total Shrinkage at 1100°C - 9 % Total Shrinkage at 1200°C - 9
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Staffordshire Stoneware Clay 1115
Staffordshire Stoneware Clay 1115
Firing Range: 1200°C-1290°C Staffordshire Stoneware is a recent modification of the original and highly successful Pyropot recipe - a blend of ball clays, fireclays and red marls. The high ball clay content imparts exceptional plasticity, making it an ideal throwing body. Fireclay imparts refractory qualities whilst red marls give this body its characteristic subtle iron fleck. The recipe...

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T Material Clay 1161
T Material Clay 1161
Firing Range: 1200°C-1300°C T Material is a product of Magma Ceramics and is used in the manufacture of high quality refractories for the steel industry. It is widely valued by potters as an extremely resilient and tolerant off-white body. It is superb for large sculpture and handbuilding use, and is well-suited for high quality raku pieces. Low thermal expansion. Low shrinkage and good...

5

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Vulcan Black Stoneware Clay Coarse NEW RECIPE 164-VUC
Vulcan Black Stoneware Clay Coarse NEW RECIPE 164-VUC
Firing Range: 1200°C-1260°C IMPROVED RECIPE: From batch number 2322 (week 23, 2022) recipe improvements have been made to improve the fired colour (darkness) and plasticity. Caution Vulcan Black Stoneware is sensitive to cooling. It is recommended not to open the kiln until it has reached room temperature to avoid cooling breaks, especially in flat and thin pieces. Keep vent plugs in...

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Vulcan Black Stoneware Clay Fine NEW RECIPE 164-VUF
Vulcan Black Stoneware Clay Fine NEW RECIPE 164-VUF
Firing Range: 1200°C-1240°C IMPROVED RECIPE: From batch number 2322 (week 23, 2022) recipe improvements have been made to improve the fired colour (darkness) and plasticity. Vulcan Black Stoneware is unlike any other on the market, providing an unusual intense brown-black colour when fired in an oxidising atmosphere. In a reducing atmosphere a metallic finish with shades of blue is obtained...
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White St. Thomas Clay 1106
White St. Thomas Clay 1106
Firing Range: 1160°C-1300°C Ideal for all thrown applications including large dinnerware platters, this 'white' firing St Thomas clay body has exceptional shape stability in both oxidation and reduction firing. Will withstand very high temperatures and is especially attractive under reduction firing conditions. For more information on this clay, please follow this link: Technical...
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White Stoneware Clay 1142
White Stoneware Clay 1142
Firing Range: 1200°C-1300°C A new white-burning, refractory, smooth-textured body which throws and handles well. A very good domestic ware body of excellent colour and perfomance and almost a smooth, sliphoused version of 157-1145. A sanded version, 1142-30 is also available which is a particularly good throwing body. For more information on this clay, please follow this link: Technical...

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White Stoneware Clay 1145
White Stoneware Clay 1145
Firing Range: 1200°C-1300°C Superb, strong stoneware throwing body based on top quality porcelain china clay and ball clays with added flux for good 'ring'. Excellent domestic ware body suitable for large and small wares. Smooth textured but stands well and can be thrown quite thinly. Shows colour well. For more information on this clay, please follow this link: Technical Data Texture...

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Y Material Clay 1161Y
Y Material Clay 1161Y
Firing Range: 1200°C-1300°C Suitable for larger sculpture forms and handbuilding use. Also for high quality Raku items. Low shrinkage and good warp resistance. Very resilient and tolerant. Low thermal expansion. Very refractory. A white firing grogged clay. Similar to 'T' Material. For more information on this clay, please follow this link: Technical Data Texture - 7-8 Fired...
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David Leach Porcelain Clay 1147
David Leach Porcelain Clay 1147
Firing Range: 1220°C-1290°C Based on the original David Leach recipe, it is white translucent porcelain of exceptional throwing quality. For more information on this clay, please follow this link: Technical Data Texture - 1 Fired Colour - White % Total Shrinkage at 1100°C - N/A % Total Shrinkage at 1200°C - 14
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Harry Fraser Porcelain Clay 1149
Harry Fraser Porcelain Clay 1149
Firing Range: 1220°C-1290°C Strong, white and translucent, this well known throwing porcelain developed by Harry Fraser combines the finest quality and value. Throws well. Consistent and reliable. A truly excellent white-burning translucent porcelain. For more information on this clay, please follow this link: Technical Data Texture - 1 Fired Colour - White % Total Shrinkage...
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Onyx Black Porcelain 164-ONYXOnyx Black Porcelain 164-ONYX
Onyx Black Porcelain 164-ONYX
Firing Range: 1200°C-1240°C Onyx Black Porcelain takes on a beautiful black/graphite colour when fired as recommended to the upper part of its firing range. It is highly plastic making it ideal for wheel-throwing and modelling alike. Suitable for tableware. Supplied in a 5kg pack. Onyx Black Porcelain is suitable for tableware (food-safe), according to ISO 6486. For more information...

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Buff Casting Slip
Buff Casting Slip
Buff Casting Slip

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HF Porcelain Powdered Clay 1149-2
HF Porcelain Powdered Clay 1149-2
190-1149 HF Porcelain powder Our HF porcelain clay in powder form Recommended firing range 1220-1290C GUIDELINE RECIPE FOR CASTING SLIP USING POWDERED CLAY 25kg powdered clay 35-87.5g* sodium silicate 120tw 30g soda ash 10lt water *sodium silicate (deflocculant) addition will need to be adjusted accordingly to achieve correct fluidity. Too much deflocculant can have...
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White Earthenware Powdered Clay 1140-2
White Earthenware Powdered Clay 1140-2
White Earthenware Powder 1110-1260C Traditional English white earthenware Recommended firing range 1110-1260C GUIDELINE RECIPE FOR CASTING SLIP USING POWDERED CLAY 25kg powdered clay 35-87.5g* sodium silicate 120tw 30g soda ash 10lt water *sodium silicate (deflocculant) addition will need to be adjusted accordingly to achieve correct fluidity. Too much deflocculant can...

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White Stoneware Powdered Clay 1145-2
White Stoneware Powdered Clay 1145-2
White Stoneware Powder 1210-1300C Good, strong, white stoneware clay in powder form Recommended firing range 1210-1300C GUIDELINE RECIPE FOR CASTING SLIP USING POWDERED CLAY 25kg powdered clay 35-87.5g* sodium silicate 120tw 30g soda ash 10lt water *sodium silicate (deflocculant) addition will need to be adjusted accordingly to achieve correct fluidity. Too much deflocculant...
from £5.96 inc VAT
£4.97 ex VAT