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Kaolin SP

Oxide Analysis Formula
CaO 0.20% 0.01
K2O 1.50% 0.05
MgO 0.30% 0.02
Na2O 0.10% 0.00
TiO2 0.90% 0.03
Al2O3 33.70% 1.00
SiO2 49.20% 2.48
Fe2O3 1.20% 0.02
LOI12.90%
C2.60%
Oxide Weight 263.63
Formula Weight 311.98

Notes

Particle Size (e.s.d.)
125 microns - 0.50
10 microns - 98
2 microns - 83
1 microns - 73
Modulus of Rupture at 110C
Mn/M2 - 5.2
lbf/in2 - 750
Defloculant Required - (3:1 Na2SiO3(C.100):Na2CO3) - 0.7
Water Absorption
1120C - 5.5
1220C - 0.50
Shrinkage Dry to Fired
1120C - 14.50
1220C - 16.50
Reflectance 464nm
1120C - 79
1220C - 63
Refractoriness
Cone - 33, 1730C

Related Information

Links

Typecodes Ball Clay
Ball clays are abundant and very plastic and are used in all types of plastic forming bodies. They are not as white-burning or refractory as kaolins but lower in iron and fluxes than bentonites.
Typecodes Kaolin
Pure clay mineral, there are many brand names of varying purity and iron content.
Typecodes Materials used in Denmark

By Tony Hansen


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