Potclays Frit 2273

Description: This is actually Ferro Frit 3134

Oxide	Analysis	Formula
CaO	20.10%	0.68
Na2O	10.30%	0.32
B2O3	23.10%	0.63
SiO2	46.50%	1.48
Oxide Weight		190.69
Formula Weight		190.69

Notes

No longer available from Potclay. They recommend "a 50:50 mix of 2263 and 2268 as the closest alternative" but also recommend that you test beforehand. However such a mix would have 4.5% Na₂O, 6% Al₂O₃, 35% B₂O₃, 33% SiO₂.

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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.
Materials	Ferro Frit 3134 A frit with 23% B2O3. The most common of frits used in pottery in North America. Around the world, other companies make frits of equivalent chemistry.
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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