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Bookings for Summer July 2024 are now open for current students only from the 8th to 23rd of March. Bookings will open for NEW students from the 25th of March.

If you are interested on being on our waiting list, please contact us on courses@artacademydirect.com with the course name you are interested & your mobile number. We will send you an SMS once bookings are open. 
Red Earthenware Clay 12.5kg (PF) – Art Academy Direct
FREE Delivery to Malta & Gozo when spending over €50 and a Reduced Delivery Fee of €2.50 when spending over €25
Red Earthenware Clay 12.5kg (PF)

Red Earthenware Clay 12.5kg (PF)

Sio-2

€9.95 Sale

Traditional red earthenware clay. It is a high quality and polyvalent clay, very popular for its fineness and plasticity. Its coefficients of thermal expansion are ideal for standard pottery glazes, in both single and twice firing processes. Incredible results in reducing atmosphere can be obtained (metallic reflection technique). Available in powder (dry form) and extruded body (moist form) in a wide range of water content depending on the shaping application: wheel-throwing, modelling and shaping processes (extruding and pressing)

Firing range: 970-1055ºC / Cone 06-04
Water content (throwing): 22%
Plasticity (IP Atterberg): 17
Carbonate content (CaCO3): 10%
Drying shrinkage: 5.5%
Firing shrinkage (1000ºC): 0.6%
Porosity (water absorption at 1000ºC): 13.5%
Dry bending strength: 6.6 N/mm2
Fired bending strength (1000ºC): 27.9 N/mm2
Thermal coefficient (25-500ºC): 77.7x10^-7ºC^-1

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