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

  • £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
  • £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
  • from £1.90

    Whiting (ceramics)

    Principal source of lime in glazes. Under reducing conditions it assists in celadon colour development. Assists hardness and durability, but an exc...

    View full details
  • from £1.00

    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
  • Text reading Barium Carbonate
    £9.00

    Barium Carbonate

    DISCONTINUED - THIS PRODUCT WILL NOT BE RESTOCKED Barium carbonate serves as a high-temperature flux and can be incorporated in small amounts (0.2-...

    View full details
  • text reading bone ash
    from £1.20

    Bone Ash

    DISCONTINUED - THIS PRODUCT WILL NOT BE RESTOCKED Used as a secondary flux in glazes. The essential constituent used to produce translucency in bo...

    View full details