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CC31 China Clay

Alternate Names: Kaolin CC31

Description: Devon China Clay

Oxide Analysis Formula
CaO 0.10% 0.01
K2O 2.80% 0.08
MgO 0.20% 0.01
Na2O 0.10% -
TiO2 0.10% -
Al2O3 36.30% 1.00
SiO2 47.80% 2.23
Fe2O3 0.90% 0.02
LOI 11.70%n/a
Oxide Weight 248.12
Formula Weight 280.99

Notes

Particle Size (e.s.d.)
125 microns - <0.06
10 microns - 93
2 microns - 50
1 microns - 35
Modulus of Rupture at 110C
Mn/M2 - 1.3
lbf/in2 - 180
Defloculant Required - (3:1 Na2SiO3(C.100):Na2CO3) - 0.3
Water Absorption
1120C - 20.5
1220C - 7.00
Shrinkage Dry to Fired
1120C - 10.50
1220C - 17.50
Reflectance 464nm
1120C - 85
1220C - 83
Refractoriness
Cone - 33, 1730C

Related Information

Links

Materials Kaolin
The purest of all clays in nature. Kaolins are used in porcelains and stonewares to impart whiteness, in glazes to supply Al2O3 and to suspend slurries.
Typecodes Kaolin
Pure clay mineral, there are many brand names of varying purity and iron content.
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