optiKasT Kaolin for Slip Casting (Velvacast Substitute)
Item Class Raw Materials
Free Shipping (some items excluded)
Shop with complete confidence knowing that every order is fully insured from our warehouse to your doorstep. We protect your investment against damage, loss, or theft during transit—at no additional cost to you. Experience worry-free shopping and the assurance that your valuable purchases will arrive safely or be promptly replaced.
Kiln & Ceramic Experts on staff
Shop with complete confidence knowing that every order is fully insured from our warehouse to your doorstep. We protect your investment against damage, loss, or theft during transit—at no additional cost to you. Experience worry-free shopping and the assurance that your valuable purchases will arrive safely or be promptly replaced.
One stop shop for Ceramics Supplies
Shop with complete confidence knowing that every order is fully insured from our warehouse to your doorstep. We protect your investment against damage, loss, or theft during transit—at no additional cost to you. Experience worry-free shopping and the assurance that your valuable purchases will arrive safely or be promptly replaced.
Americas Premiere Clay Maker
Shop with complete confidence knowing that every order is fully insured from our warehouse to your doorstep. We protect your investment against damage, loss, or theft during transit—at no additional cost to you. Experience worry-free shopping and the assurance that your valuable purchases will arrive safely or be promptly replaced.
Ceramic Supplier since 1946
Shop with complete confidence knowing that every order is fully insured from our warehouse to your doorstep. We protect your investment against damage, loss, or theft during transit—at no additional cost to you. Experience worry-free shopping and the assurance that your valuable purchases will arrive safely or be promptly replaced.
Free Insurance - Peace of Mind with Every Purchase
Shop with complete confidence knowing that every order is fully insured from our warehouse to your doorstep. We protect your investment against damage, loss, or theft during transit—at no additional cost to you. Experience worry-free shopping and the assurance that your valuable purchases will arrive safely or be promptly replaced.
You must test before you use it, at any scale. Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.
optiKasT Kaolin for Slip Casting Bodies : Substitute for Velvacast
optiKasT is a coarse-grained kaolin used primarily in ceramic casting applications. It has a very fast cast and exceptional deflocculation characteristics. optiKasT is preferred in pressure casting systems where a faster cast rate is desired.
K A OLIN
optiKasT TM
optiKasT is a coarse-grained kaolin used primarily in ceramic casting applications. It has a very fast cast and exceptional deflocculation characteristics. optiKasT is preferred in pressure casting systems where a faster cast rate is desired.
TYPICAL PROPERTIES
CHEMICAL ANALYSIS
SiO2 (%) 45.2
Al2O3 (%) 38.7
Fe2O3 (%) 0.5
TiO2 (%) 1.6
K2O (%) 0.1
Na2O (%) 0.1
CaO (%) 0.1
MgO (%) Trace
L.O.I. (%) 13.6
Carbon (%) 0.03
Sulfur (%) 0.04
PHYSICAL PROPERTIES
pH 5.7
M.B.I. (meq/100g) 2.4
Specific Surface Area (sq-m/g) 11.0
Dry M.O.R.* (psi) 225
PARTICLE SIZE
+325 Mesh (% retained) 6.0
%< 20 (microns) 94
%< 10 (microns) 85
%< 5 (microns) 74
%< 2 (microns) 55
%< 1 (microns) 37
%< 0.5 (microns) 18
*Extruded 50/50 Clay/Flint
CUSTOMER REVIEWS - Q&A
Got a question about this product? Ask it here and get a response from our staff and also input from the Sheffield Pottery community!
PEOPLE ALSO VIEWED
