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Spinks Blend Ball

Ball clay for casting slips

Alternate Names: Spinks Blend #1, Spinks Blend Ball Clay

Oxide Weight340.71
Formula Weight381.32
If this formula is not unified correctly please contact us.
MORD - Modulus of Rupture - Dry 496 psi
WOPL - Water of Plasticity 18.8
DSHR - Drying Shrinkage 4.98%

A coarse to fine-grained engineered blend designed as the complete ball clay fraction of casting slip. This clay exhibits excellent rheological, casting, and firming characteristics while promoting green strength. Ideally suited for all casting applications.

Relative Viscosity (1.2 Sp. Gr.):* 1.43
Casting Rate: (gms per 15 min/426 cm2):* 244

Cone 04 8 11
Fired Shrinkage:* 0.0% 1.6% 2.0%
Absorption:* 18.0% 15.3% 14.1%
M.O.R. psi:* 1091 2538 3994

Thermal Expansion, Cone 8: .624% at 700C
P.C.E.: 31
pH: 4.9
Oil Absorption: 32
Bulk Density, lbs per cubic foot: 34-40
Particle Size, Microns: 20 10 5 2 1 0.5 0.2
91% 84% 75% 60% 48% 35% 15%

*MOR, dry shrinkage specimens: De-aired, extruded, 50% ball clay, 50% flint

Out Bound Links

In Bound Links

By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Spinks Blend Ball" descrip="Ball clay for casting slips" searchkey="Spinks Blend #1, Spinks Blend Ball Clay" loi="0.00" casnumber="70694-09-6"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.230" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.240" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.670" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.190" tolerance=""/> <oxide symbol="P2O5" name="Phosphorus Pentoxide" status="" percent="0.110" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.500" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="26.800" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="58.700" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="1.060" tolerance=""/> <oxide symbol="MnO" name="Manganous Oxide" status="" percent="0.020" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="10.650" tolerance=""/> </volatiles> </material>

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