SIO-2® PRAF - White Sculpture/Raku Clay with Fine Grog, 27.6 lb
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SIO-2® PRAF - White Sculpture/Raku Clay with Fine Grog
27.6 lb (12.5 kg)
PRAF is a white sculpture and Raku clay body with 40% fine grog (up to 35 Mesh). Formulated for artistic ceramics, PRAF is ideal for sculpture, murals and Raku pieces.
The high content of grog confers a beautiful textured surface and an excellent behavior during drying and firing. Its particular ivory color after firing is unique and provides an excellent ware for glazes and coloring oxides, which develop bright and intense tones. It is also known as “Rafael” clay, and it is very popular because of its excellent behavior for Raku.
PRAF is available in extruded body (moist form), in a 27.6 lb. package.
This product is being offered with $15 Shipping via USPS Priority Flat Rate Box for deliveries within the USA.
This product is eligible for a bulk discount! Buy 4 or more of this product to get 10% off the total price!
Firing range: Cone 6-10 (2269º-2381ºF)
Biscuit: Cone 06 (1855ºF)
Water content: 17%
Plasticity (IP Atterberg): 16
Carbonate content (CaCO3): 0%
Drying shrinkage: 5.4%
Firing shrinkage at Cone 10: 4.6%
Porosity (water absorption) at Cone 10: 4.1%
Dry bending strength: 2.4 N/mm2
Fired bending strength at Cone 10: 26.2 N/mm2
Thermal coefficient (a25-500ºC): 55.9x10-7ºC-1
Are you new to pottery and want to learn more about some common pottery terms? Check out the website for the Donn Zver School of Pottery to find a list of terms and explanations for what they all mean.
Do you need a large amount of clay?
We offer custom pricing and shipping options for our SIO-2 clay products in bulk quantities. Submit a quote request today to our sales team.
To learn more about our SIO-2 Clay products, click here to take a look at our catalog.