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Redstone
Plainsman Native Clay
Chemistry
Chemistry available on new site, see link above
Miscellaneous
- Family: Clay Other
- Region: None
- Mined At: Unspecified
- Raw Mineral: No
- Generic: No
Notes
A natural high iron, mid-temperature stoneware clay of good plasticity. It is particulary well suited to oxidation bodies in the middle temperature ranges. It is very deep red at cone 7-8.
Fired Temperature, Cone 4 5 6 7 8 9
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Fired Shrinkage: 3.1% 3.4% 3.7% 4.0% 4.2% 4.4%
Absorption: 6.4% 5.0% 4.0% 3.5% 3.0% 1.9%
Fired Strength:
(lbs/ square inch) 5100 5300 5600 5900 6400
Sieve Analysis Wet Washed
(Root of 2 series) +35 +48 +65 +100 +150# +200 +325
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0.0% 0.3% 2.4% 5.1% 7.6% 10.0% 22.2%
Texture: Sl. tooth
Plastic Index (1-10): 5
Green Strength (lbs/sqaure inch): 850
Dry shrinkage: 5.0
Dried density: 2.05
PCE: 15.5
Data
- Specific Gravity: PCE 15
- Specific Gravity: PBE 15
URLs
- Data Sheet - http://digitalfire.com/plainsman/data/redstone.htm
Suppliers
- Plainsman Clays
Authors
- Tony Hansen (Owner)
XML
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