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Pemco Frit P-1J81
Alternate Names: P1J81,1J-81
Description: Semi-opaque all-fritted glaze for cone 02-4
| Oxide | Analysis | Formula | |
|---|---|---|---|
| CaO | 5.10% | 0.23 | |
| K2O | 8.60% | 0.24 | |
| MgO | 0.60% | 0.04 | |
| Na2O | 4.50% | 0.19 | |
| ZnO | 9.60% | 0.30 | |
| ZrO2 | 3.20% | 0.07 | |
| B2O3 | 4.80% | 0.18 | |
| Al2O3 | 13.40% | 0.34 | |
| SiO2 | 50.30% | 2.16 | |
| Oxide Weight | 258.25 | ||
| Formula Weight | 258.25 | ||
Notes
Add 10% clay.
Generally used with additional zirconium silicate opacifier. This glaze has excellent gloss and smoothness at Cone 02 through Cone 1.
Related Information
Links
| Materials |
Pemco Frit P-991
|
|---|---|
| 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 P-3E12
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| Materials |
Ferro Frit 3820
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| 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 | 8.40 |
|---|---|
| Co-efficient of Linear Expansion | 8.40 (50-450C) |
| Frit Softening Point | 1620F |
| Frit Melting Range (C) | 1580-1680F |
| Co-efficient of Linear Expansion | 8.4x10-6 (50-450C) |
| I.F.P. (celsius) | 610C |
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