Pemco Frit Pb-2C52
Alternate Names: Frit Pb2C52
Description: All-fritted opaque leaded glaze
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 7.50% | 0.50 | |
| K2O | 1.60% | 0.06 | |
| MgO | 0.50% | 0.05 | |
| Na2O | 1.80% | 0.11 | |
| PbO | 16.50% | 0.28 | |
| ZrO2 | 5.00% | 0.15 | |
| B2O3 | 3.60% | 0.19 | |
| Al2O3 | 8.10% | 0.30 | |
| SiO2 | 55.50% | 3.47 | |
| Oxide Weight | 376.26 | ||
| Formula Weight | 376.26 | ||
Notes
With an 8% addition of clay fires in the range Cone 01 - Cone 6.
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. |
| Typecodes |
Leaded Frit
Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out. |
| 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. |
Data
| Co-efficient of Linear Expansion | 5.80 |
|---|---|
| Co-efficient of Linear Expansion | 5.8 x 10-6 (50-450C) |
| Frit Softening Point | 1720F |
| Frit Melting Range (C) | 1680-1800F |
| I.F.P. (celsius) | 633C |
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