Pemco Frit P-688
Alternate Names: Frit 688, Frit P688
Description: LEADLESS FRIT
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| BaO | 10.60% | 0.11 | |
| CaO | 15.80% | 0.45 | |
| K2O | 3.00% | 0.05 | |
| MgO | 4.30% | 0.17 | |
| Na2O | 1.60% | 0.04 | |
| ZnO | 8.70% | 0.17 | |
| Al2O3 | 7.00% | 0.11 | |
| SiO2 | 49.00% | 1.31 | |
| Oxide Weight | 160.77 | ||
| Formula Weight | 160.77 | ||
Notes
Used for partially-fritted, cone 9-12 opaque sanitaryware glazes.
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 |
General Frit GF-108
|
| Materials |
Hommel Frit 28F198
|
| 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 | 8.0 x 10-6 (50-450C) |
|---|---|
| Frit Melting Range (C) | 1550-2100F |
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