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ShopRCA is for use by Royal College of Art students and staff only

The RCA Shops will be closed for the Christmas and New Year period between 21/12/24 - 05/01/25

ShopRCA is for use by Royal College of Art students and staff only

The RCA Shops will be closed for the Christmas and New Year period between 21/12/24 - 05/01/25

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  • stack of bisque tiles
    £3.40

    6" Square Bisque Tile

    These ceramic bisque tiles are made from white earthenware low-fire clay. 5mm thick, 6" (15.3cm) Square. In ceramics Bisque or (Biscuit) refers to ...

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  • text reading Ball Clay Blue TWVD
    £1.00

    Ball Clay Blue TWVD

    This is a non carbonaceous clay with excellent workability. It has a thrixotropic nature and if used with other clays it will control the thrixotro...

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  • text reading Ball Clay Hyplas 71
    Sold out
    from £1.25

    Ball Clay Hyplas 71

    A Devon Ball clay with good plasticity, medium strength, and ow in iron content. Fires ivory buff smooth. Recommended for stoneware and earthenware...

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  • Text reading Barium Carbonate
    £12.85

    Barium Carbonate

    In high temperature glazes Barium Carbonate is used as a flux. It also produces matt and semi matt surfaces at earthenware temperatures, but an exc...

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  • text reading bone ash
    Sold out
    from £1.20

    Bone Ash

    Used as a secondary flux in glazes. The essential constituent used to produce translucency in bone china bodies. Occasionally used as an opacifier ...

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  • from £6.90

    Calcium Borate Frit

    Calcium Borate FritA fritted substitute for colemanite (new formulation) in special effect glazes recipes and also as a constituent in matt earthen...

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  • Sold out
    from £2.75

    China Clay

    A good general purpose kaolin. Kaolin is a soft white clay that is an essential ingredient in the manufacture of china and porcelain. Named after t...

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  • Sold out
    from £4.65

    Cobalt Carbonate

    Cobalt Carbonate CoCO3 This oxide produces a deep blue or blue-black colour in lead/leadless glazes and a vivid blue in alkaline glazes. The presen...

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  • £6.70

    Cobalt Oxide

    The most powerful colouring oxide. This produces a deep blue or blue- black colour in lead and leadless glazes and a vivid blue in alkaline glazes....

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  • £21.55

    Cobalt Oxide Black

      The most powerful colouring oxide. This produces a deep blue or blue- black colour in lead and leadless glazes and a vivid blue in alkaline glaze...

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  • from £6.65

    Copper Carbonate

    Copper Carbonate produces an apple green colour in glazes when fired under neutral and oxidising conditions, apart from in alkaline glazes when a t...

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  • Sold out
    £7.10

    Copper Oxide

    In ceramics this strong oxide produces a transparent apple green colour under neutral or oxidising conditions, except in alkaline glazes when it pr...

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  • from £3.35

    Cornish Stone

    Cornish Stone is decomposed granite, which is used as a secondary flux in silica glazes and as an alternative to feldspar due to higher content. L...

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  • from £2.00

    Dolomite

    Natural source of calcium and magnesium. Useful as a secondary flux in porcelain and stoneware glazes. Please read the safety information prior to ...

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  • Sold out
    £1.25

    Flint

    Flint is used in ceramics in glazes and in bodies as a source of calcined silica, particularly earthenware type, to which it imparts a good fired w...

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  • from £3.25

    Glaze & Body Stains 50g

    These stains can be used to add colour to white and transparent glazes and to slips to produce coloured engobes and coloured clay bodies. They can ...

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  • from £3.50

    High Alkaline Frit

    This Frit produces a beautiful crackle blue with the addition of copper. Firing range is 860C - 1060C. Harmful (Xn). Please read the safety informa...

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  • £4.40

    Iron Oxide Black

    Ferrous oxide, used in ceramics as a pigment in glazes and body stains. Please read the safety information prior to purchase and use: Safety Data S...

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  • £4.20

    Iron Oxide Red

    Iron Oxide Red is used for its pigmentary characteristics within the ceramic industry - in glazes, underglazes and on-glaze colours either directly...

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  • £19.85

    Lead Bisillicate

    Lead bisilicate is the frit generally used in low solubility glazes and standard borax frit for leadless glazes. Firing range 880C -1050C% ANALYSIS...

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  • £18.60

    Lead Sesquisilicate

    Lead based glazes are well-known for their rich, bright surfaces and good reaction to decorating colours. Analysis:PbO = 68.52TiO2 = 3.07SiO2 = 28....

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  • from £6.25

    Lithium Carbonate

    A good alkaline flux used as a substitute for soda and potash when a good craze resistance is required. Acts as a flux in earthenware and stoneware...

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  • £12.00

    Low Expansion Frit

    Low thermal expansion borax frit, which is used to modify and reduce the thermal expansion of glazes when craze resistance presents a problem. Addi...

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  • £4.90

    Manganese Dioxide

    Manganese Dioxide MnO2 (coarse) If your are looking for added speckle in reduced darker clay, add some manganese dioxide: 2 - 10% in both bodies an...

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  • £5.15

    Nepheline Syenite

    Nepheline Syenite is a stronger flux than feldspar for uses both in glazes and bodies.Analysis:9.1% K2O 7% Na2O 24.9% Al2O3 56% SiO2 Please read th...

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  • from £2.60

    Nickel Oxide

    Adding 1-3% nickel oxide to glazes produces a brownish-green colour, but in stoneware glazes with a high zinc content yellow to blue tones are poss...

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  • £27.50

    Porcelain White Stoneware PF700 12.5kg

    PF 700 has been formulated from the purest, highest quality white clays to give a porcelain-like appearance. Developed to be a white porcelain-like...

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  • £5.60

    Potash Feldspar

    Used as a flux in bodies and as a major constituent in glazes. It melts at approximately 1200C. Excellent as a flux for stoneware glazes making gla...

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  • £5.80

    Soda Ash

    Sodium Carbonate/Soda Ash.  Used as a source of sodium in alkaline glazes. Also, when combined with sodium silicate, this is used in the preparatio...

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  • £11.30

    Soft Alkaline Frit

    This high expansion frit can be used in raku and crackle glazes. The high calcium content means it will better support all coloured stains and part...

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  • £27.55

    Special Porcelain 12.5kg

    A very smooth, high quality white porcelain clay. Containing fine white clays with a bentonite addition. Suitable for modelling, hand building, thr...

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  • from £6.50

    Standard Alkaline Frit

    This frit provides an excellent base for supporting the Copper Turquoise Blue colour in glazes. Technical Information Linear Thermal Expansion: 6.9...

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  • from £7.25

    Standard Borax Frit

    General purpose Leadless Frit with a medium thermal expansion, which is ideal as the major ingredient in earthenware glazes. Technical Information:...

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  • Sold out
    £17.40

    Standard White Earthenware 12.5kg

    This white earthenware clay body has a smooth texture, produces an excellent casting slip, and gives good fired strength. Suitable for once-firing ...

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  • £11.25

    Stoneware Buff 12.5kg

    General purpose clay, splendidly developed body, based on highly refractory fire clays and grog additives, giving a high resistance to warping and ...

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  • £18.15

    Stoneware Crank Clay 12.5kg

    A stoneware clay body with a good degree of plasticity, it contains a coarse silica grog giving it coarse texture. It dries a pale buff, off-white ...

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