Ferro Frit 3257

Description: Very high barium artware frit

Oxide	Analysis	Formula
CaO	9.10%	0.42
MgO	0.70%	0.05
BaO	31.00%	0.53
Al2O3	6.30%	0.16
B2O3	4.50%	0.17
SiO2	45.60%	1.99
ZrO2	2.80%	0.06
Oxide Weight		261.92
Formula Weight		261.92

Notes

Developed for the artware industry during World War II as an answer to the lead shortage. The frit works well with almost all underglaze colors other than chrome alumina pinks and corals.

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Materials	Frit Frits are made by melting mixes of raw materials, quenching the melt in water, grinding the pebbles into a powder. Frits have chemistries raw materials cannot.
Typecodes	Frit A frit is the powdered form a man-made glass. Frits are premelted, then ground to a glass. They have tightly controlled chemistries, they are available for glazes of all types.

By Tony Hansen
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