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Boraq 3

Oxide Analysis Formula
CaO 27.30% 0.82
K2O 0.50% 0.01
MgO 2.00% 0.08
Na2O 3.20% 0.09
B2O3 26.50% 0.64
Al2O3 2.40% 0.04
SiO2 11.90% 0.33
Fe2O3 0.10% 0.00
LOI26.05%
Oxide Weight 124.58
Formula Weight 168.47

Notes

Boraq 3 is derived from Boraq 2 to provide an alternative in cases where the presense of CaO is preferable to MgO.

Related Information

Links

Materials Gerstley Borate
Materials Boraq
Materials Boraq 2
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.

By Tony Hansen


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