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Alternate Names: Frit Pb906
Description: All-fritted opaque glaze
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 9.57% | 0.58 | |
| K2O | 2.48% | 0.09 | |
| Na2O | 1.65% | 0.09 | |
| PbO | 15.73% | 0.24 | |
| Al2O3 | 5.70% | 0.19 | |
| B2O3 | 7.36% | 0.36 | |
| SiO2 | 49.49% | 2.80 | |
| ZrO2 | 8.00% | 0.22 | |
| Oxide Weight | 340.06 | ||
| Formula Weight | 340.06 | ||
This is Pb-349 wth 8% zirconium silicate. Good base for white and colored opaque glazes. Fires cone 02-6 with 10% clay addition.
| 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 |
Fusion Frit FL-55
|
| Materials |
Hommel Frit 2GF6K
|
| Materials |
Ferro Frit 3565
|
| 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. |
| Co-efficient of Linear Expansion | 6.20 |
|---|---|
| Co-efficient of Linear Expansion | 6.2 x 10-6 (40-450C) |
| Frit Softening Point | 1550F |
| Frit Melting Range (C) | 1500-1670F |
| I.F.P. (celsius) | 675C |
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