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Ferro Frit 4112
Description: Calcium Borate Frit
| Oxide | Analysis | Formula | |
|---|---|---|---|
| CaO | 26.25% | 1.00 | |
| Al2O3 | 7.03% | 0.15 | |
| B2O3 | 49.53% | 1.52 | |
| SiO2 | 17.20% | 0.61 | |
| Oxide Weight | 213.74 | ||
| Formula Weight | 213.74 | ||
Notes
Firing Range: 1050 - 1160 C
Chemistry similar to colemanite
No longer manufactured
Related Information
Links
| Materials |
Colemanite
A natural source of boron that melts at a very low temperature. |
|---|---|
| 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 |
PotteryCrafts Frit P2954
A calcium borate frit (with extremely high boron). |
| 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 |
Gerstley Borate Substitutes
Many development efforts to create Gerstley Borate substitutes took place during the early 2000s (the initial period when the demise of Gerstley Borate appeared imminent). A number of companies, including Laguna Clays itself, produced and sold these for many years. When Laguna secured another stockpile at the mine and began producing the original material again, interest in substitutes gradually waned. However, the sudden dramatic price increase in 2023 appears to have initiated the process again. Gillespie Borate appears to be the only viable and visible substitute now. Thus, the substitutes listed here are mostly no longer made. Other high-boron materials shown are also no longer available. We continue to recommend sourcing B2O3 from frits instead. Please contact us if you have a specific recipe and we can work with you in your Insight-live account to develop a new recipe that both eliminates the GB and improves overall working and firing properties. |
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