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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% 0.00
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


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

Related Information


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.
Hazards Plant Ash Toxicity
The hazards of using plant and wood ash in ceramic glazes
Materials Eucalyptus Ash
Materials Wood Ash
Materials Rice Straw Ash
Materials Applewood Ash
Materials Cherry Ash
Materials Oakwood Ash

By Tony Hansen

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