Pemco Frit Pb-704
Alternate Names: Frit Pb704
Description: Zinc bearing, all-fritted base for cone 1-6
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| BaO | 2.60% | 0.04 | |
| CaO | 9.20% | 0.39 | |
| K2O | 3.50% | 0.09 | |
| MgO | 0.30% | 0.02 | |
| Na2O | 2.10% | 0.08 | |
| PbO | 6.60% | 0.07 | |
| ZnO | 10.60% | 0.31 | |
| ZrO2 | 0.50% | 0.01 | |
| B2O3 | 5.20% | 0.18 | |
| Al2O3 | 5.10% | 0.12 | |
| SiO2 | 54.30% | 2.16 | |
| Oxide Weight | 238.54 | ||
| Formula Weight | 238.54 | ||
Related Information
Links
| Materials |
Pemco Frit Pb-197
|
| 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 |
Hommel Frit 2GF56C
|
| 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 | 6.70 |
|---|---|
| Co-efficient of Linear Expansion | 6.7 x 10-6 (40-450C) |
| Frit Softening Point | 1500F |
| Frit Melting Range (C) | 1450-1650F |
| I.F.P. (celsius) | 683C |
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