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Ferro Frit CC-274

Alternate Names: Frit CC-274-2

Description: Low alumina strontium boron frit

Oxide Analysis Formula
SiO2 57.50% 3.51
B2O3 12.50% 0.66
Na2O 2.50% 0.15
K2O 2.50% 0.10
CaO 7.50% 0.49
SrO 7.50% 0.27
Al2O3 7.50% 0.27
Oxide Weight 357.21
Formula Weight 357.21


This is a USA pottery frit, Ferro now calls it Frit CC-274-2. This is very similar to Fusion frit 524 except that it does not have the 2% BaO.

As of 2008 Ferro only provides an approximate analysis, but the one here is historical (from previous sources).

Related Information


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 Fusion Frit F-524
A low fire base glaze, add 10% kaolin, adjust thermal expansion using other frits.
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.
Typecodes Available from Laguna Clays
Ferro Pottery Frits 2008


Co-efficient of Linear Expansion 7.19
Frit Melting Range (C) 1850F
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