Moisture content 0.02%
Sintering temperature 991-1196=B0C
Melting point 1540=B0C
Coefficient of expansion 6.5 x 10-6 cm/cm/=B0C
Water solubility 0.0095g/100.c.c
Aspect ration 2:1
Particle size distribution depends on the size that the product is milled to.
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.
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