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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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  • £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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  • Sold out
    from £0.50

    Talc

    Used in a body flux in conjunction with feldspar to reduce thermal expansion and increase thermal shock resistance. It can also be use as a seconda...

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  • £9.10

    Terracotta Red Clay 12.5kg (Standard)

    General purpose red terracotta clay, with a medium texture. Based on a blend of Etruria Marls. Grogg has been added to this clay body (20%) which i...

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  • £13.65

    Tin Oxide

    The most reliable, oldest, and most widely used opacifier. Produces a softer white and less refractory (neutral) than zircon. 4 - 5% produces semi-...

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  • £2.05

    Titanium Dioxide

    Titanium Dioxide TiO2.  Used as a glaze opacifier. Adding up to 10% to a glaze will result in a creamy white glaze with a matt/semi-matt surface. T...

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  • from £7.95

    Transparent Earthenware Brush-On Glaze

    Firing Range: 1020°C - 1160°C Leadfree earthenware brush-on glazes which can be applied to bisque ware but will also work well when applied to dry ...

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  • Sold out
    £15.20

    Transparent Earthenware Leadless Glaze Powder 1kg

    Firing Temperature: 1060°C -1160°CPlease note this glaze is not suitable for glazing directly on to Red Terracotta clay - it may go a little milky....

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  • from £7.95

    Transparent Stoneware Brush-On Glaze

    Finish: GlossyFiring Range: 1250°C - 1280°CThis is a liquid brush-on glaze. Please stir thoroughly as glaze may have separated. Brush to objects us...

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  • £11.75

    Transparent Stoneware Glaze Powder 1kg

    Finish: GlossyFiring Range: 1250°C - 1280°CMixing Ratio: 1 litre water per 1kg powderMixing Instructions: Always wear a mask when mixing powdered ...

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  • £4.00

    Triangle Bar Stilts

    Please note: there may be a delay in when you can collect this product at Kensington or White City. If we are unable to supply this on the date cho...

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  • from £2.75

    Underglaze Colours 50g

    Underglaze colours in powder form for use in ceramics production. Powdered colours should be mixed with a suitable medium in the approximate propor...

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  • Sold out
    £3.25

    Vanadium Pentoxide

    Its major use in the ceramics industry is as a component in the production of glaze stains such as Zirconium-Vanadium ( Orange) or Vanadium-Zirconi...

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  • £20.80

    White Earthenware Handbuilding Clay 12.5kg (Grogged White)

    Manufactured from a very plastic white earthenware base, this clay has a Molochite sand addition which gives it a medium texture and excellent work...

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