Ceradel Frit C 1249
Alternate Names: C1249 Fritte, C 1249 Fritte, Ceradel Frit 1249,C-1249
Description: Lead bisilicate frit, Bisilicate de plomb
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| PbO | 70.00% | 1.00 | 20 |
| SiO2 | 19.00% | 1.01 | 10 |
| B2O3 | 11.00% | 0.50 | |
| Oxide Weight | 318.86 | ||
| Formula Weight | 318.86 | ||
Notes
Similar to a lead bisilicate, but with significant boron.
We have another source that says this is just a lead bisilicate. So the analysis is uncertain.
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 |
Lead Bisilicate Frit
A standard frit of 1 molar part of PbO and 2 of SiO2. It is considered stable and non-leachable. |
| Materials |
Ceradel Frit C 1250
|
| Materials |
Ceradel Frit C 1251
|
| Typecodes |
Leaded Frit
Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out. |
Data
| Co-efficient of Linear Expansion | 85 (10-7/C 20/300C) |
|---|---|
| Frit Softening Point | 600-700C |
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