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Pemco Frit Pb-2G30
Alternate Names: Frit Pb2G30
Description: Low lead calcium frit
| Oxide | Analysis | Formula | |
|---|---|---|---|
| CaO | 9.90% | 0.56 | |
| K2O | 1.60% | 0.05 | |
| Na2O | 2.50% | 0.13 | |
| PbO | 18.10% | 0.26 | |
| B2O3 | 5.50% | 0.25 | |
| Al2O3 | 6.10% | 0.19 | |
| SiO2 | 56.30% | 2.98 | |
| Oxide Weight | 317.59 | ||
| Formula Weight | 317.59 | ||
Notes
Dinnerware glaze component - Cone 1 to 4.
Used the same as Pb-349, excellent for underglaze colors.
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 |
Ferro Frit 349
|
| 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 | 6.00 |
|---|---|
| Co-efficient of Linear Expansion | 6.0 x 10-6 (50-450C) |
| Frit Softening Point | 1570F |
| Frit Melting Range (C) | 1520-1650F |
| I.F.P. (celsius) | 600C |
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