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Rice Husk Ash

Oxide Analysis Formula
CaO 0.49% 0.31
K2O 0.91% 0.34
MgO 0.22% 0.19
Na2O 0.26% 0.15
TiO2 0.16% 0.07
Al2O3 1.01% 0.35
P2O5 0.01% -
SiO2 96.70% 57.22
Fe2O3 0.05% 0.01
MnO 0.19% 0.10
Oxide Weight 3,556.47
Formula Weight 3,556.47

Notes

The rice husk ash process produces an organic amorphous silica of very small particle size.

Related Information

Links

URLs http://ricehuskash.com/
Supplier
Materials Oakwood Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Cherry Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Applewood Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Rice Straw Ash
A type of plant ash sometimes used as an ingredient in pottery glazes.
Materials Wood Ash
For centuries, pottery glazes have been made from ash mostly mixed with clay and feldspar.
Materials Eucalyptus Ash
A type of wood ash used as an ingredient in pottery glazes.
Hazards Plant Ash Toxicity
The hazards of using plant and wood ash in ceramic glazes
Typecodes Flux Source
Materials that source Na2O, K2O, Li2O, CaO, MgO and other fluxes but are not feldspars or frits. Remember that materials can be flux sources but also perform many other roles. For example, talc is a flux in high temperature glazes, but a matting agent in low temperatures ones. It can also be a flux, a filler and an expansion increaser in bodies.
Glossary Wood Ash Glaze
Common washed wood ash can supply important ceramic oxides when melted, so it can comprise significant percentages in a recipe. Plus it can produce unique visual effects.
By Tony Hansen
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