Plainsman Native Clay

Chemistry %

BaO	0.32
CaO	0.23
MgO	0.65
K2O	2.59
Na2O	0.06
P2O5	0.15
TiO2	0.68
Al2O3	17.19
SiO2	70.37
Fe2O3	1.26
MnO	0.01

Volatiles %

LOI

6.49

MLPT - Melting Point (MP)

PCE 23

A unique fine grained, clean material, vitrifying and reaching very high strength at cone 8. It is well balanced and of medium plasticity and suitable as the main constituent for mid-temperature bodies and to promote vitrification in the higher ranges without adding dark color. This material is balanced enough to use by it self for pottery.

Fired Temperature, Cone 3 4 5 6 7 8
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Fired Shrinkage: 4.5% 4.8% 5.2% 5.6% 6.1% 6.0%
Absorption: 6.0% 5.0% 3.8% 2.4% 1.4% 1.0%
Fired Strength:
(lbs/ square inch) 7000 9000 10700 11600 12200

Sieve Analysis Wet Washed
(Root of 2 series) +35 +48 +65 +100 +150# +200 +325
--------------------------------------------
0.0% 0.1 0.4% 1.2% 2.0% 4.1% 11.8%

Texture: Smooth
Plastic Index (1-10): 6
Green Strength (lbs/sqaure inch): 1050
Dry shrinkage: 6.0
Dried density: 2.03
PCE: 23

Out Bound Links

(URLs) Midstone Data Sheet
http://plainsmanclays.com/data/MIDSTONE.HTM

(Typecodes) 1: CLO - Clay Other

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