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Pemco Frit Pb-589

Alternate Names: Frit Pb589

Oxide Analysis Formula
CaO 5.50% 0.29
K2O 2.30% 0.07
Na2O 3.80% 0.18
PbO 10.60% 0.14
ZnO 8.80% 0.32
ZrO2 8.40% 0.20
B2O3 6.20% 0.26
Al2O3 6.90% 0.20
SiO2 47.50% 2.33
Oxide Weight 294.69
Formula Weight 294.69

Notes

Add 10% clay for a cone 04-1 opaque glaze.

Related Information

Links

Materials Frit
Typecodes Leaded Frit
Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out.
Typecodes Frit

Data

Co-efficient of Linear Expansion6.60
Co-efficient of Linear Expansion6.6 x 10-6 (50-450C)
Frit Softening Point1520F
Frit Melting Range (C)1470-1620F
I.F.P. (celsius)630C

By Tony Hansen


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