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Materials for Ceramics

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Texas Talc 286

Alternate Names: TxTalc286

Description: A talc having a rounded rather than platy particle shape.

Oxide	Analysis	Formula
CaO	2.90%	0.07
MgO	25.40%	0.89
K2O	1.00%	0.02
Na2O	0.90%	0.02
Al2O3	0.35%	-
SiO2	57.30%	1.35
Fe2O3	0.50%	-
LOI	11.60%	n/a
Oxide Weight		124.95
Formula Weight		141.34

Related Information

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Materials	Talc A source of MgO for ceramic glazes, a flux or thermal expansion additive in clay bodies, also used in the manufacture of cordierite.
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.

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