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Pemco Frit Pb-349
Alternate Names: Frit Pb349
Description: Lead bearing, zincless, all-fritted glaze
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 10.40% | 0.58 | |
| K2O | 2.70% | 0.09 | |
| Na2O | 1.80% | 0.09 | |
| PbO | 17.10% | 0.24 | |
| B2O3 | 8.00% | 0.36 | |
| Al2O3 | 6.20% | 0.19 | |
| SiO2 | 53.80% | 2.80 | |
| Oxide Weight | 312.80 | ||
| Formula Weight | 312.80 | ||
Notes
Used for vitreous and semi-vitreous dinnnerware and artware for cone 02-8.
Related Information
Links
| Materials |
Fusion Frit FL-4
|
| Materials |
Pemco Frit P-786
|
| 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 |
Ferro Frit 3509
|
| Materials |
General Frit GF-18
|
| 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 (50-450C) |
|---|---|
| Co-efficient of Linear Expansion | 6.5 x 10-6 (50-450C) |
| Frit Softening Point | 1620F |
| Frit Melting Range (C) | 1590-1670F |
| I.F.P. (celsius) | 672C |
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