Skip to content

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

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

Filters

  • 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...

    View full details
  • text reading bone ash
    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 ...

    View full details
  • 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...

    View full details
  • 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 ...

    View full details
  • 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...

    View full details
  • £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...

    View full details
  • £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...

    View full details
  • 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...

    View full details
  • £8.10

    Zinc Oxide

    Zinc Oxide is a raw material component in the production of frits and glazes. Normal zinc content for glazes is in the range 1-5%. Higher zinc cont...

    View full details