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Pemco Frit Pb-742
Alternate Names: Frit Pb742
Description: Leaded zincless frit cone 08-1.
| Oxide | Analysis | Formula | |
|---|---|---|---|
| CaO | 4.50% | 0.29 | |
| Na2O | 3.60% | 0.21 | |
| PbO | 31.00% | 0.50 | |
| ZrO2 | 1.00% | 0.03 | |
| B2O3 | 13.00% | 0.67 | |
| Al2O3 | 3.40% | 0.12 | |
| SiO2 | 43.50% | 2.61 | |
| Oxide Weight | 360.79 | ||
| Formula Weight | 360.79 | ||
Notes
Blend with Pb-349 for intermediate temperatures. Pb-63 has slightly more zirconia.
Similar to alternatives but has small amount of ZrO2 smelted in.
Related Information
Links
| Materials |
General Frit GF-27
|
|---|---|
| Materials |
Ferro Frit 3576
|
| Materials |
Ferro Frit 3493
|
| Materials |
Ferro Frit 3485
|
| 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 |
Pemco Frit Pb-63
|
| Materials |
Fusion Frit FL-28
|
| 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 | 6.5 x 10-6 (40-450C) |
|---|---|
| Frit Melting Range (C) | 1350-1450F |
| I.F.P. (celsius) | 585C |
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