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Avery Kaolin

Oxide Analysis Formula
K2O 0.89% 0.03
Na2O 0.16% 0.01
TiO2 0.06% 0.00
Al2O3 37.47% 1.00
SiO2 46.73% 2.12
Fe2O3 0.74% 0.01
LOI13.52%
Oxide Weight 234.24
Formula Weight 270.86

Notes

No longer mined.

Noted for its flashing when used in slip and salt/soda firing.

Related Information

Links

Materials Kaolin
Typecodes Kaolin
Pure clay mineral, there are many brand names of varying purity and iron content.

Data

Drying Shrinkage5.1%
Firing Shrinkage10% at cone 10
Ultimate Particle Size Distribution20 microns: 98% 10: 78% 5: 50% 2: 30% 1: 22%
Pyrometric Cone Equivalent33-34
Water absorption10-12% at cone 10

By Tony Hansen


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