Frit Welte FR 2025
Description: Lead borate frit
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 9.27% | 0.53 | |
| PbO | 32.78% | 0.47 | |
| Al2O3 | 5.62% | 0.18 | |
| B2O3 | 11.50% | 0.53 | |
| SiO2 | 40.83% | 2.18 | |
| Oxide Weight | 320.41 | ||
| Formula Weight | 320.41 | ||
Related Information
Links
| 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 | 69.3 x10-7 (20-400C) |
|---|---|
| Glass Transition Temperature | 550C |
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