Redearth
Plainsman Native Clay
Chemistry
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Volatiles
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Miscellaneous
- Family: Clay Other
- Region: None
- Mined At: Unspecified
- Raw Mineral: No
- Generic: No
Notes
A maroon firing, low temperature, smooth and plastic material with exceptional working characteristics and green and fired strength. Suitable is the main or only ingredient in high quality terra cotta bodies or low temperature stonewares.
Fired Temperature, Cone 04 02 1 2 3 4 5
-------------------------------------------
Fired Shrinkage: 2.0% 2.9% 6.4% 7.0% 5.5% 4.8% n/a
Absorption: 10.0% 6.0% 2.3% 1.7% 1.1% 1.0% 0.4%
Fired Strength:
(lbs/ square inch) 5200 8500 8300 6600
Sieve Analysis Wet Washed
(Root of 2 series) +35 +48 +65 +100 +150# +200 +325
-------------------------------------------
0.0% 0.5% 2.1% 4.2% 6.8% 17.9% n/a
Texture: Smooth
Plastic Index (1-10): 7
Green Strength (lbs/sqaure inch): 1350
Dry shrinkage: 7.0
Dried density: 2.04
PCE: 12
Data
- Melting Point (MP): PCE 12
- Melting Point (MP): PCE 12
URLs
- Data Sheet - http://digitalfire.com/plainsman/data/redearth.htm
Suppliers
- Plainsman Clays
Authors
- Tony Hansen (Owner)
XML
<?xml version="1.0" encoding="UTF-8"?>
<material name="Redearth" descrip="Plainsman Native Clay" generic="0" rawmineral="0" searchkey="Red Earth" loi="5.70">
<families>
<family name="Clay Other"/>
</families>
<oxides>
<oxide symbol="BaO" name="Barium Oxide, Baria" status="" percent="0.240" tolerance=""/>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.490" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="1.130" tolerance=""/>
<oxide symbol="K2O" name="Potassium Oxide" status="" percent="3.270" tolerance=""/>
<oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.730" tolerance=""/>
<oxide symbol="P2O5" name="Phosphorus Pentoxide" status="" percent="0.320" tolerance=""/>
<oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="0.620" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="14.670" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="68.990" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="3.820" tolerance=""/>
<oxide symbol="MnO" name="Manganous Oxide" status="" percent="0.020" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="" name="" percent="5.700" tolerance=""/>
</volatiles>
<suppliers>
<supplier name="Plainsman Clays" country="CA" url="http://www.plainsmanclays.com" label=""/>
</suppliers>
<notes>
<note>A maroon firing, low temperature, smooth and plastic material with exceptional working characteristics and green and fired strength. Suitable is the main or only ingredient in high quality terra cotta bodies or low temperature stonewares.
Fired Temperature, Cone 04 02 1 2 3 4 5
-------------------------------------------
Fired Shrinkage: 2.0% 2.9% 6.4% 7.0% 5.5% 4.8% n/a
Absorption: 10.0% 6.0% 2.3% 1.7% 1.1% 1.0% 0.4%
Fired Strength:
(lbs/ square inch) 5200 8500 8300 6600
Sieve Analysis Wet Washed
(Root of 2 series) +35 +48 +65 +100 +150# +200 +325
-------------------------------------------
0.0% 0.5% 2.1% 4.2% 6.8% 17.9% n/a
Texture: Smooth
Plastic Index (1-10): 7
Green Strength (lbs/sqaure inch): 1350
Dry shrinkage: 7.0
Dried density: 2.04
PCE: 12
</note>
</notes>
<testdata>
<testitem testname="0" value="PCE 12"/>
<testitem testname="0" value="PCE 12"/>
</testdata>
</material>
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