Ferro Frit CC-263
Alternate Names: Frit CC263, Frit CC268, Frit CC-268
Description: Low expansion high CaO balanced boron source
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 9.00% | 0.56 | |
| K2O | 3.00% | 0.11 | |
| MgO | 1.00% | 0.09 | |
| Na2O | 2.50% | 0.14 | |
| SrO | 3.00% | 0.10 | |
| ZrO2 | 0.50% | 0.01 | |
| B2O3 | 20.00% | 1.00 | |
| Al2O3 | 11.00% | 0.38 | |
| SiO2 | 50.00% | 2.91 | |
| Oxide Weight | 349.20 | ||
| Formula Weight | 349.20 | ||
Notes
This is a USA pottery frit, Ferro now calls it Frit CC263-2. It is available in small quantities at lagunaclay.com. They call it an "alkaline, alkaline earth alumina borosilicate" and say it is "a well-balanced composition without barium. Typically used as an all-fritted glossy glaze in the general range Orton cone 04-4." This is likely a major constituent in their low fire glazes.
Was formerly #CC268.
Ferro only publishes an approximate analysis as of 2008, however this one was historical (from previous sources).
It is balanced cone 02-1 clear glaze.
Related Information
Links
| 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 CC-263-2
|
| 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
|
| URLs |
https://digitalfire.com/4sight/datasheets/ferropotteryfrits2008.pdf
Ferro Pottery Frits 2008 |
Data
| Co-efficient of Linear Expansion | 6.79 |
|---|---|
| Frit Softening Point | 1650-1850F |
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